Author | Topic |
I supported Toymods
Location: Australia
Registered: November 2003
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xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 00:06
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Here is a cheap, and effective brake upgrade, for those with the above cars, who want to keep 4 stud wheels.
It uses
280x26mm Z32 300ZX rotors/calipers
280x30mm Z32 300ZX rotors/calipers (same calipers as above) or
296x30mm R33 Skyline rotors/calipers
All these above are easily available at wreckers, and new rotors can be picked up from RDA or DBA or where ever.
Ok, how do you do it you ask?
Let me tell you.
Take one standard hub.
Machine the outside down to 144mm (stock is about 156mm)
You get this
Make ring to make new rotor fit on hub (ring is on left of photo)
Heat fit ring to hub.
Install hub back on strut.
Place new rotor onto hub (after redrilling to 4x114.3)
Install new caliper and spacer. Bolt new brake line up.
And we are done.
Now, the outcomes of this are as follows.
Brake bias is pretty much factory.
There is negligable difference in piston area between factory calipers and Z32/R32/R33 4 spots.
You will increase the wheel track at the front by 16mm, as each rotor adds 8mm offset.
This could aid in the choice of new rims though.
You will need to choose rims carefully, one that will fit the new calipers.
15" rims WILL fit (on Z32/R32 discs)
My 15x6" +20 offset L-type Supra/MZ10 Soarer don't fit, but my stock MX73 15x6" +20 offset do.
You will need about 40mm from hub face to inside of spokes to fit these uber calipers.
Stock MX73 has about 45mm, MZ10 Soarer has about 30mm
She is close
Comparison of stock MX73 and Z32 280x30mm
Regarding new studs, you'll need to increase the length of the stud by 8mm
Using "Nice Products" (http://www.niceproducts.com.au)
S312 - LN36/RN105/YN60-67 Hilux, Most Drum Landcruisers (40-50-60-70 series), Most Magna's
listed as 45.2mm long
S312 ~ 9mm increase in length over standard.
How much does this all cost?
Here is what I paid.
Z32 Calipers - $240 posted, off EBay.
Z32 280x30mm slotted rotors, new - $100 each from RDA (http://www.rdabrakes.com.au)
Caliper rebuild kit - $30
EBC Greenstuff pads to suit above calipers - $175
New brake lines (2" longer) - $50
Machining hubs - $20
Rings and spacer cost - will be about $50
New hub seals - $8
New splitpins - $1
New 8mm longer studs - $30
Total cost ~ $800
Not bad for NEW front brakes.
Rings and spacers will be available for purchase from me.
Cost is $55.
You will just need to get your hubs machined.
I can machine your hubs for you on an exchange basis, but you would be paying postage both ways.
[Updated on: Sat, 01 October 2005 14:00]
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Location: Perth
Registered: October 2002
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Re: MA61, MX73, RA6x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 01:23
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That looks damn nice Peewee,
Well-done and count me in!
Presumably you're also making an adaptor to mount the Nissan callipers to the Yota mounts?
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I supported Toymods
Location: Perth
Registered: May 2002
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Re: MA61, MX73, RA6x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 01:28
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Yep, and in the case of this it's basically a spacer rather than a full adapter.
Thanks to Nissan interchangability, providing you have a correct pair of calipers and rotors they'll all work.
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I supported Toymods
Location: Australia
Registered: November 2003
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Re: MA61, MX73, RA6x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 01:28
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CrUZsida wrote on Mon, 22 November 2004 08:06 | Rings and spacers will be available for purchase from me.
Cost will be about $50, but will know this after I get the spacers made up (still determining exact width)
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Said spacers are 300zx caliper to toyota caliper mounts.
Would we prefer ali? or steel?
Steel will be cheaper
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I supported Toymods
Location: Perth
Registered: May 2002
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Re: MA61, MX73, RA6x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 01:29
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Steel would be easier. Alloy will be lighter, but it'd have to be a specific grade.
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Location: Adelaide
Registered: June 2003
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Re: MA61, MX73, RA6x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 01:55
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i want it so ill be doing it now, looks very neat once the nissan writing is off. can i get a set of those spacers plz. also if you have the part numbers could you post them thanks.
Scott
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I supported Toymods
Location: Australia
Registered: November 2003
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Re: MA61, MX73, RA6x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 02:10
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RA65 Sleeka wrote on Mon, 22 November 2004 09:55 | i want it so ill be doing it now, looks very neat once the nissan writing is off. can i get a set of those spacers plz. also if you have the part numbers could you post them thanks.
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NISSAN will be removed.
Or at least painted black in the meantime.
Part numbers for?
Here is what I have.
Caliper rebuild kit
ATAP part, SJ6070 - ATAP PART NO LONGER EXISTS, new part number is
PROTEX - 210E-0011
Extra seals are from a Gemini front caliper, not sure what model though.
Rotors
280x26mm RDA907/DBA907
280x30mm RDA909/DBA909
296x30mm RDA7693/DBA4963
Pads - EBC Greenstuff
to suit 280mm DP21200
to suit 296mm DP21200 aswell I think?
DP31200 RedStuff is also available
Seals
You can just get these off the shelf from anywhere.
Like all Toyota seals, they are factory NOK seals (or equiv), so any parts store can get replacements
Thats all the parts you need
[Updated on: Thu, 24 March 2005 11:03]
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Location: Brisbane
Registered: May 2002
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Re: MA61, MX73, RA6x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 02:25
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Hmm, so if you want to goto 5 stud, I guess there is no reason that this wouldn't work with ms65 hubs (with the outside diameter machined down accordingly?).
Btw, you say you got "z32 300x30mm" rotors in your first post, i think ya on crack and you only got the 280x30's is that right?
Cheers
Wilbo
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I supported Toymods
Location: Australia
Registered: November 2003
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Re: MA61, MX73, RA6x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 02:29
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wilbo666 wrote on Mon, 22 November 2004 10:25 | Btw, you say you got "z32 300x30mm" rotors in your first post, i think ya on crack and you only got the 280x30's is that right?
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Ya, on crack
I've done it more than once, but I've caught myself out before I've posted it
Consider it changed.
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Location: Adelaide
Registered: June 2003
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Re: MA61, MX73, RA6x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 02:33
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thanxs for the numbers it will make it easier and quicker to get the parts now.
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Location: Adelaide
Registered: September 2003
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Re: MA61, MX73, RA6x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 02:35
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CrUZsida wrote on Mon, 22 November 2004 11:06 |
Forgot to mention the possible requirement of new studs.
I can get 7.5-8 turns with my stock MX73 rims and stock nuts.
Its your/your engineers choice whether you upgrade to longer studs.
I hear Magna and Landcruiser are 2 good choices.
Will investigate
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Yep, Landcruiser ones are 8 mm loger than stock. I'll get the part numbers later if anyone wants them
Good work there.
Cheers
Michael B
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Location: Adelaide, SA
Registered: May 2002
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Re: MA61, MX73, RA6x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 02:38
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Nice work
Looks like I have a potential answer to my brakes!
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Location: Perth
Registered: October 2002
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Re: MA61, MX73, RA6x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 03:18
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RA65 Sleeka wrote on Mon, 22 November 2004 12:55 | , looks very neat once the nissan writing is off. Scott
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Remember that red twin-throttle AE86 in a Zoom earlier this year? I think he had R33 callipers, with the lettering changed to TOYOTA.
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I supported Toymods
Location: Australia
Registered: November 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 03:25
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By the way
All the following cars use the same bearings as the MX73/MA61 on the front hubs
So they potentially can use this brake upgrade
Quote: | Celica ra40, ra60, sa63, ra65
Cressida mx32, mx36, mx62, mx73
Crown ms65
Corona rt81, rt104, xt130, rt133, st141, rt142
Avante st141, rt142
Spacia yr22
Lite ace km20, cm20, cm35, ym21, ym30, ym35
Supra ma61
Tarago yr20, yr21, yr22 2wd, cr21
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Caliper mount could be different though.
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Location: eastern suburbs, Melb
Registered: April 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 03:59
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There is a four stud rotor you can use. Its off a R33 skyline 280x26mm the DBA part number is DBA 953. But you still have to make the spacers and the locating ring and also turn down the hub.
Damian
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I supported Toymods
Location: Australia
Registered: November 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 04:04
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DJ345 wrote on Mon, 22 November 2004 11:59 | There is a four stud rotor you can use. Its off a R33 skyline 280x26mm the DBA part number is DBA 953. But you still have to make the spacers and the locating ring and also turn down the hub.
Damian
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Yeah, thats a typo in the Catalogue AFAIK
No R33 Skylines have 4 stud (once again AFAIK)
And its only 26mm wide, and the rotors are more expensive than the 30mm wide ones.
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I supported Toymods
Location: Australia
Registered: November 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 04:07
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HOWEVER
The RDA catalogue says the same, so maybe they are?
NISSAN SKYLINE R32 T, R33, R33 GTS 4WD 1989 - FRONT VENTED
(RDA7691) | NISSAN SKYLINE R32 T, R33, R33 GTS 4WD 1989 - FRONT VENTED, Diameter: 280mm, Original Height: 50mm, Original Thickness: 26mm, Minimum Thickness: 24mm, Centre Hole Diameter: 68mm, Number of Bolt / Fixing Holes: 4, Pitch Circle Diameter:
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[Updated on: Mon, 22 November 2004 04:07]
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Location: eastern suburbs, Melb
Registered: April 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 04:11
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Dont know about a typo I have seen taxi pack R33's with four studs and sliding piston calipers. I have them on a pair of struts at home. Although mine are second hand they are cheap if you shop around.
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I supported Toymods
Location: Australia
Registered: November 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 04:22
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DJ345 wrote on Mon, 22 November 2004 12:11 | Dont know about a typo I have seen taxi pack R33's with four studs and sliding piston calipers. I have them on a pair of struts at home. Although mine are second hand they are cheap if you shop around.
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Well, if the pitch circle is 114.3x4 like other 4 studs, then it negates the need to redrill.
And you can still use Z32 calipers and my spacers/rings for it.
Even though the hat size is smaller. (I'm not sure what calipers they run stock)
That said, unless, like yourself, you already have the discs, the 280x30mm rotor new will be cheaper.
The 280x26mm rotor is $50 more than the 280x30mm, and I would assume that the 4 stud one is the about the same as the 280x26mm, if not more, due to its limited uses.
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Location: Perth
Registered: October 2002
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 04:25
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Did you drill your rotors yerself or pay? And if the latter, how much?
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I supported Toymods
Location: Australia
Registered: November 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 04:39
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Celia-Sue wrote on Mon, 22 November 2004 12:25 |
Did you drill your rotors yerself or pay? And if the latter, how much?
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The 2nd hand ones were already redrilled
My new ones are being redrilled today/tomoz.
Will update on the cost.
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Location: Perth
Registered: August 2004
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 07:10
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Try looking at the 4 door versions of the R33...
Saw one in a carpark today it was 4 stud but im not sure if that is typical of all the 4 door ones
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I supported Toymods
Location: Australia
Registered: November 2003
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I supported Toymods
Location: Perth
Registered: May 2002
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 07:37
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Non-turbo Skylines are all 4-stud.
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Location: Adelaide
Registered: May 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 07:43
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Gah, i would love to do this upgrade but sadly i am limited to 14" rims for IP standards. Stupid having to run 60 series tyres.
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I supported Toymods
Location: Australia
Registered: November 2003
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Location: Adelaide
Registered: May 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 07:47
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Im running Hilux atm. Would have wanted the 300ZXs for weight reduction.
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Location: New Zealand
Registered: May 2002
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 09:11
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justcallmefrank wrote on Mon, 22 November 2004 20:37 | Non-turbo Skylines are all 4-stud.
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Incorrect.
From R32 all the turbo/4WD models are 5 stud. But a mate owns an R33 GTS25 (non turbo) that is also 5 stud with the big 4 spot calipers. Everything else on the car is standard, so not all the non turbos are 4 stud.
Trust me, there are HUGE numbers of them over here.
Callum
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I supported Toymods
Location: Perth
Registered: May 2002
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 09:15
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Lemme rephrase, povo-spec posers non-turbo Skylines are 4-stud. Don't worry, there are shiteloads over here too.
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Location: wangaratta
Registered: May 2004
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 10:01
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AFAIK, the R32 GTST4 is also 4 stud????
or am i getting confused with something else??
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Location: Adelaide
Registered: September 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 10:21
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CruZida,
How much clearance do you get between the disc and the LCA/Ball joint ?
I guess the R32 calipers work with the 280mm discs and the R33's work with the 296mm ?
You have done a great job there, but now the fun will start with finding good looking mags that clear the calipers !!!
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I supported Toymods
Location: Perth
Registered: May 2002
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 11:19
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bbaacchhyy wrote on Mon, 22 November 2004 18:21 |
I guess the R32 calipers work with the 280mm discs and the R33's work with the 296mm ?
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Yep, all discs have the same height, same inner hat diameter, same centre hole etc. The R33 calipers just have 16mm longer "legs" on them.
bbaacchhyy wrote on Mon, 22 November 2004 18:21 | You have done a great job there, but now the fun will start with finding good looking mags that clear the calipers !!!
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It's not that bad. The Rays I've got here should be alright, it's just the Toyota designs, both the 15x6" and the 14x7" have a stupidly small amount of room for brakes. Any rim that has designed to cater for the Nissans should clear the brakes. The brake setup just mimics their factory setup.
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I supported Toymods
Location: Perth
Registered: May 2002
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 11:22
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bbaacchhyy wrote on Mon, 22 November 2004 18:21 |
How much clearance do you get between the disc and the LCA/Ball joint ?
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Missed this one. Should clear fairly easily. The disc finishes further outward than factory.
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I supported Toymods
Location: Australia
Registered: November 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 13:50
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justcallmefrank wrote on Mon, 22 November 2004 19:22 |
bbaacchhyy wrote on Mon, 22 November 2004 18:21 |
How much clearance do you get between the disc and the LCA/Ball joint ?
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Missed this one. Should clear fairly easily. The disc finishes further outward than factory.
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Yeah, about 25mm, give or take.
Hopefully getting new redrilled rotors back in a day or so, then can perfect the spacer distance, and get this bitch stopping.
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I supported Toymods
Location: Australia
Registered: November 2003
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Re: MA61, MX73, RA6x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 14:01
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bbaacchhyy wrote on Mon, 22 November 2004 10:35 | Yep, Landcruiser ones are 8 mm loger than stock. I'll get the part numbers later if anyone wants them
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Get me those part numbers please
We looked through the catalogue today, the only thing that was really useful was either Magna ones, or VY commie ones.
No landcruiser one fitted the dimensions (lengthways)
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I supported Toymods
Location: Australia
Registered: November 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 14:38
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Ok, using the Nice Products catalogue (http://www.niceproducts.com.au) this is what I have found
S340 - Most RWD Toyota (including MX73 and MA61)
listed as 40mm long (could not find on webpage, but am remembering from looking at catalogue)
S310 - Lots of cars, including 80 series landcruisers
listed as 40.1mm long
S312 - LN36/RN105/YN60-67 Hilux, Most Drum Landcruisers (40-50-60-70 series), Most Magna's
listed as 45.2mm long
S314 - Pajero Front
listed as 40mm long
S315 - Pajero Rear, Jackaroo
listed as 42.4mm long
Now, I think the S340 is a typo, and it should be 35mm long (or there abouts) but I didn't remember to recheck it.
The VY commie ones weren't on the webpage either.
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Location: Adelaide
Registered: September 2003
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Re: MA61, MX73, RA6x + others 300ZX Brake Upgrade
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Mon, 22 November 2004 20:15
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CrUZsida wrote on Tue, 23 November 2004 01:01 |
bbaacchhyy wrote on Mon, 22 November 2004 10:35 | Yep, Landcruiser ones are 8 mm loger than stock. I'll get the part numbers later if anyone wants them
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Get me those part numbers please
We looked through the catalogue today, the only thing that was really useful was either Magna ones, or VY commie ones.
No landcruiser one fitted the dimensions (lengthways)
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I thought I had a piccy, but seem to have lost it, so will try and dig it up, but I bought them straight from Toyota.
justcallmefrank wrote on Mon, 22 November 2004 22:19 |
Any rim that has designed to cater for the Nissans should clear the brakes. The brake setup just mimics their factory setup.
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The only problem is that except for the Z31's, Nissan 300ZX and Skyline rims are 5 stud, and their offset is +45 from the factory.
As many MA61 owners have found, the availability of cast 4 stud mags with an offset of around 0 to +10 (or around the +15 to 20 for GA61/Celica people) is few and far between, and is one of the main reasons for going the 5 stud route.
Mind you, those that are going 5 stud, this is also another way of getting the bigger brakes as well and is different from the way that I (and Ed_MA61) did it as well.
Those that are doing this can also use RA60 struts (particularly for MA61 peeps) and get a whole lotta neg camber for free !!!
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I supported Toymods
Location: Perth
Registered: May 2002
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Tue, 23 November 2004 00:29
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What I meant is that if you have a rim that was designed at some offset for the Nissans, that also comes in the correct PCD and offset, it should have ample X factor for the brakes.
How much clearance on the back did you have with the +25mm 8" Simmons? Did you have a spacer of some kind? I'm trying to establish whether I can fit a +22mm 7.5" rim on the rear of my car with standard MA61 rear brakes.
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I supported Toymods
Location: Perth
Registered: May 2002
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Tue, 23 November 2004 00:33
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And by clearance I meant with the inside clearance, not with the guard.
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I supported Toymods
Location: Australia
Registered: November 2003
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Location: Adelaide
Registered: September 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Tue, 23 November 2004 01:03
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justcallmefrank wrote on Tue, 23 November 2004 11:29 | What I meant is that if you have a rim that was designed at some offset for the Nissans, that also comes in the correct PCD and offset, it should have ample X factor for the brakes.
How much clearance on the back did you have with the +25mm 8" Simmons? Did you have a spacer of some kind? I'm trying to establish whether I can fit a +22mm 7.5" rim on the rear of my car with standard MA61 rear brakes.
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Wish it was thant simple. Basically, it is not the offset that determines whether the calipers will have clearance, it is the design of the rim.
With the Simmons, there was about 3mm clearance to the bolts that hold the 3 pieces together. On the same setup with the CSA rims, due to the deign of having a very deep centre boss, there is BUCKETS of room.
In short, the design of the rim that you need to look at is one that has minimal dish, but a deep boss to get the required offset.
If it was that simple, there would be heaps of different mags out there that MA61 people could use. The fact is there is not (apart from Simmons etc), and with the design that has been developed, the field is further restricted by requiring caliper spacing as well.
Then there are always spacers......
Once again, a prime reason I went to 5 stud to use the pre-AU Falcon style fitment
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I supported Toymods
Location: Perth
Registered: May 2002
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Tue, 23 November 2004 01:09
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Bah! You're not reading it right! What I meant is what you did. Say I get some Buddy Club P1's, which were designed with a Nissan fitment in mind at say 40mm offset. They will have enough room to clear the Nissan brakes because they were designed around a certain amount of X-factor.
Now, if I got this rim, but with a lower offset, it'd have at least the same amount as the 40mm offset ones, all thing being equal. It'd just make up this offset in the centre part.
Now, with your 8" Simmons on the rear, did you use a spacer? How much clearance with the inside of the guard did you have?
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Location: Adelaide
Registered: September 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Tue, 23 November 2004 01:19
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justcallmefrank wrote on Tue, 23 November 2004 12:09 | Bah! You're not reading it right! What I meant is what you did. Say I get some Buddy Club P1's, which were designed with a Nissan fitment in mind at say 40mm offset. They will have enough room to clear the Nissan brakes because they were designed around a certain amount of X-factor.
Now, if I got this rim, but with a lower offset, it'd have at least the same amount as the 40mm offset ones, all thing being equal. It'd just make up this offset in the centre part.
Now, with your 8" Simmons on the rear, did you use a spacer? How much clearance with the inside of the guard did you have?
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Depending of the design of the rim, amybe. I'm not 100% sure of the design of them, but you can just see the depth of the boss of the Gladiators here ;
On the rears, I had to use a 20mm spacer to clear the calipers, and when I spaced the calipers to suit the 22mm disc (put in 4mm plates), the calipers fouled by about 2mm. But with the Gladiators, there is OODLES of room.
Here is a pic of the boss and clearance on the front rims
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I supported Toymods
Location: Perth
Registered: May 2002
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Tue, 23 November 2004 01:22
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Okay, so assuming you had 20mm worth of spacer, how much clearance with the inner guard, not the calipers, did the Simmons have? Lots? Or just barely.
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Location: Adelaide
Registered: September 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Tue, 23 November 2004 01:30
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justcallmefrank wrote on Tue, 23 November 2004 12:22 | Okay, so assuming you had 20mm worth of spacer, how much clearance with the inner guard, not the calipers, did the Simmons have? Lots? Or just barely.
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From memory, it had about 10mm or so, will have to try and dig around to check, but that was with the King Low's.
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I supported Toymods
Location: Perth
Registered: May 2002
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Tue, 23 November 2004 01:34
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Hmmm, thats not cool. So you had about 10mm clearance on the inside with effectively an 8" wide +5mm offset rim (25mm - 20mm of spacer), or was this without the spacer?
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Location: S.E suberbs, Vic
Registered: December 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Tue, 23 November 2004 01:38
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it should fit RA-28 struts too, and RA-28 struts can be made to fit into an ae-86..
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Location: Adelaide
Registered: September 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Tue, 23 November 2004 01:42
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justcallmefrank wrote on Tue, 23 November 2004 12:34 | Hmmm, thats not cool. So you had about 10mm clearance on the inside with effectively an 8" wide +5mm offset rim (25mm - 20mm of spacer), or was this without the spacer?
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Hmm, thinking about it (don't have any pics), but with the current rims (17x8 with +6mm), I can still fit the 20mm spacer, so with the spacer, there must have been more. Have a look in the Members car section, and you'll see the car with the 17's and NO spacer. I'm getting it modified soon.
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I supported Toymods
Location: Perth
Registered: May 2002
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Tue, 23 November 2004 01:51
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Ok. Your current rims have 107mm backspacing, which is about 10mm less than the 117mm of the rims I want, and 19mm less than the Simmons without a spacer.
I'm trying to establish whether or not these 16x7.5" rims with a +22mm offset will clear the rear safely. The fronts will be no problem as this brake upgrade effectively creates an 8mm spacer.
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Location: Adelaide
Registered: September 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Tue, 23 November 2004 02:19
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The simmons hit the rear (about where the nissan writing was) where the bolts were (that joind the three pieces).
Each rim is different, and depends on the shape of the inner machining as well.
Cheers
Michael B
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I supported Toymods
Location: Australia
Registered: November 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Tue, 23 November 2004 06:46
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bbaacchhyy wrote on Tue, 23 November 2004 10:19 | The simmons hit the rear (about where the nissan writing was) where the bolts were (that joind the three pieces).
Each rim is different, and depends on the shape of the inner machining as well.
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Ok, you have completely missed the point of what Frank was asking.
He wants to know, how much distance there was between the inner rim of the simmons, and the body/spring/shock (whatever is closest).
NOT the inside of the rims, and NOTHING to do with the calipers.
He wants to know whether your simmons could have fitted without the spacers and not hit the car/spring/shock.
And if not, how close did they get?
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Location: Campbelltown, NSW
Registered: November 2002
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Tue, 23 November 2004 07:08
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Ok cool this looks like a tops upgrade but i dont understand where and what the "ring" does in the first picture
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I supported Toymods
Location: Australia
Registered: November 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Tue, 23 November 2004 07:11
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It goes over the hub centre.
The Toyota hub centre is only 60mm or so, where as the Nissan is 68mm.
So its there to make the new rotor hub centric.
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Registered: August 2002
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Tue, 23 November 2004 07:17
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Can you measure the width of the stock MA61 caliper and the nissan one and tell me the thickness of the spacer you are running to mount the caliper.
I need to know how much further they will stick out over stock ones.
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I supported Toymods
Location: Australia
Registered: November 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Tue, 23 November 2004 07:24
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BlackSupra wrote on Tue, 23 November 2004 15:17 | Can you measure the width of the stock MA61 caliper and the nissan one and tell me the thickness of the spacer you are running to mount the caliper.
I need to know how much further they will stick out over stock ones.
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Will do
How much room have you got between your simmons and the stock calipers?
You can go 280x26mm rotors and save 4mm if you want.
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Registered: August 2002
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Tue, 23 November 2004 07:31
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Well if you do the maths its not as straight forward as you think.
The 30mm rotor has a 54mm hat height and the 26mm rotor hazs a 49mm hat height.
This means that the 30mm rotor outer face actually sits inwards 1mm further past the face of the 26mm rotor.
So the 30mm rotor will be a better fit, the difference would be in the width of the 26mm and 30mm caliper bodies.
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Registered: August 2002
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Tue, 23 November 2004 07:36
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http://www.princeton.edu/~asad/zbrakes/
Looking at this page it would seem there is SFA difference between the width in the calipers and i would thus conclude that the 30mm rotor and caliper is a much better setup and will clear slightly better than the 26mm rotor and caliper.
Still need the width of the caliper and spacer though!
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I supported Toymods
Location: Australia
Registered: November 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Tue, 23 November 2004 07:37
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BlackSupra wrote on Tue, 23 November 2004 15:31 | Well if you do the maths its not as straight forward as you think.
The 30mm rotor has a 54mm hat height and the 26mm rotor hazs a 49mm hat height.
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If you knew what you were talking about, it would be more straight forward than you think
The 26mm rotor also has a 54mm hat, so you can get away with a 4mm thinner spacer for the caliper (if room is that tight)
Z32 Twin turbo has a 280x30x54mm rotor
Z32 Single turbo has a 280x26x54mm rotor.
The rotor in the pics about is 280x26x54mm
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I supported Toymods
Location: Australia
Registered: November 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Tue, 23 November 2004 07:38
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BlackSupra wrote on Tue, 23 November 2004 15:36 | http://www.princeton.edu/~asad/zbrakes/
Looking at this page it would seem there is SFA difference between the width in the calipers and i would thus conclude that the 30mm rotor and caliper is a much better setup and will clear slightly better than the 26mm rotor and caliper.
Still need the width of the caliper and spacer though!
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I have also view that page.
I have calipers from a 26mm rotor, and calipers that were supposed to be off a twin turbo, thus 30mm rotor.
They are identical in every dimension
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I supported Toymods
Location: Australia
Registered: November 2003
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Re: xA6x, xZ1x, xX7x + others 300ZX Brake Upgrade
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Tue, 23 November 2004 07:41
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BlackSupra wrote on Tue, 23 November 2004 15:36 | Still need the width of the caliper and spacer though!
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Shouldn't this be enough info?
CrUZsida wrote aaages ago | You will need about 40mm from hub face to inside of spokes to fit these uber calipers
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Take a rim off an measure it
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