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Location:
Brisbane
Registered:
October 2002
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corona/pug/hilux convo for a different car
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Thu, 08 July 2004 10:04
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i have just found out my calipers, pads, rotors and M/C are fucked, 
and i was looking at the XT130/pug/lux convo for the RA23/28/40 celicas and have done some researching
from what i am lead to beleive, u dont need different wheel bearings from the std XT130 {since u r using the stub axle from an XT130}, is this correct.
If it is, then i am safe assume it'll fit my RT104 cause the XT130 and the RT104 use the same bearing kit.
I asked about the LN106 calipers from my local wrecker, he quoted me $75 each, is that worth it.
I can buy the DBA rotors {DBA272} from my work nice and cheap {115 each side for slotted or 91 for std} and my brother in law works for aussie auto so i can get the pads/bearings cheap too. 
i can use a 1" bore XC master cylinder which is basically a bolt up unit except for a bit of messing around with moving the piping ans maybe a slight adjustment to the boosted rod length.
but i just had a look and i have a 7/8" bore already, and i was told by a 25 year veteran to the brake industry that a 7/8" would be ok. what do u think 
where do u measure the bolt holes from, for the caliper to bracket measurement
Quote:
CALIPERS: Hilux 4WD 4 piston items (front). These are off model no. LN106 (1989-1993), with this being the most common model found at 4WD wreckers with these calipers fitted (they are also fitted to later model Hilux's, but I don't know if the mounting bolt holes are the same). The mounting bolt holes should be 90mm apart.
because if my car has different all this effort is shot to shit
i have worked out the price to be
rotors $116 x 2
pads $110 for ultimates
calipers $75 x 2
new master cylinder $100
bearings $30 kit
$600 odd
does that sound like a good price
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Location:
Brisbane
Registered:
November 2002
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Re: corona/pug/hilux convo for a different car
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Thu, 08 July 2004 11:57
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Well, I did a vaguely similar thing on my Mark II.
I borrowed some calipers off a mate, and bolted them on. I then did some measuring and worked out that the DBA Pug rotors would actually fit without machining. I then got a set of the rotors and bolted them up to my factory Mark II hubs (note that the holes need to be ground out a little).
Bolted it all together, and found there was an ever-so-slight clearance problem with the calipers that was fixed with some high quality machined washers and an equivalen adjustment from the tie rod ends to fix the alignment. After that it went together fine, including the stock brake hoses - which I replaced with new items. With the age of your car, I'd say yours will be just as deteriorated as mine.
I was lucky to have a mate with the calipers I wanted, but in your case head to a self-serve wrecker with a bunch of spanners, some WD40 and a morning to spare.
Go find yourself a Hilux and pull a caliper off it. Go find an RT104, and see if it bolts on. It's all good and well if the bolt spacing lines up, but a test fit is the best way. As I said, my conversion had a clearance problem (luckily an easy fix) but I'd have been rather annoyed if I measured the bolt holes, bought a pair of calipers on that basis, and was then unable to use them!
Out of interest I am running the stock 7/8 master cylinder which bled out the system with no problems and came out to a good pedal pressure. Unfortunately the car is a long way from being on the road so only time will tell. I have a 1" master cylinder that I can use in it's place anyway, just trying to avoid paying for a reco and making up new steel lines if not required.
FWIW I paid $70 for a pair of 80-Series Landcruiser calipers. They are much the same as the Hilux ones, but with slightly different piston sizes. Make sure you jot down the model number for the car you got them off, otherwise parts may be a headache in future (unlikely but best to be safe!).
Don't forget to budget for a reco on the calipers & master cyl, fresh wheel bearings & grease (stupid not to replace while it's all apart), new brake pads, brake fluid, and as I mentioned new rubber hoses too.
All up my 'cheap' conversion was about $800 but everything is either brand new or reconditioned.
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Location:
Brisbane
Registered:
February 2003
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Re: corona/pug/hilux convo for a different car
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Thu, 08 July 2004 12:46
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am wondering if the bias valve will need some sort of adjustment?
if the total surface area of the pistons the same as the stock then maybe not? but if larger then you'll probably get the back locking up way before the front. Wilbo can tell you how much fun (seat puckering) that is.
i got heavily corroded calipers from a hilux for much less ($25 or 35 each i think) but they're borderline - the pistons are furked and the bores are close to shot.
i've got the XT130 struts and the caliper laying about if you want to come over and check out or measure stuff up.
i was going to find a 15/16th M/C and bias valve then start rebuilding.
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I supported Toymods
Location:
Sutho/Hills NSW
Registered:
September 2002
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Re: corona/pug/hilux convo for a different car
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Thu, 08 July 2004 13:25
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how many calipers does your wrecker have?
im slowly gathering parts for the same conversion
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Location:
Brisbane
Registered:
October 2002
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Re: corona/pug/hilux convo for a different car
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Fri, 09 July 2004 08:09
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i admit i'm no brake guru, but i dont believe i have a proportioning valve.
7M-Brisbane, do u still live in brissie cause i have some good contacts in the braking industry
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Location:
Brisbane
Registered:
May 2002
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Re: corona/pug/hilux convo for a different car
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Fri, 09 July 2004 09:59
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| thechuckster wrote on Thu, 08 July 2004 22:46 |
am wondering if the bias valve will need some sort of adjustment?
if the total surface area of the pistons the same as the stock then maybe not? but if larger then you'll probably get the back locking up way before the front. Wilbo can tell you how much fun (seat puckering) that is.
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oh yes, rear brake lock up is fantastic lol
I managed to find a car that had the same front calipers as me and similar sized? drum rear (SA63 celica) which seems to work well for me.....I'm not sure if you'll have any luck with the same plan of attack tho (due to the large size of the rear drums on the hilux's?)....
In that case a Willwood or similar proportion valve may be needed to avoid having the brakes feel like a pedal operated handbrake! Not fun at all, trust me.... (btw most stock systems do have a proportion valve, but unless you want to adjust it via changing the springs in it, best to get an adjustable aftermarket one that you can plum in!)
Cheers
Wilbo
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Location:
Brisbane
Registered:
November 2002
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Re: corona/pug/hilux convo for a different car
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Fri, 09 July 2004 10:52
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| Quote: |
7M-Brisbane, do u still live in brissie cause i have some good contacts in the braking industry
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I do, but I am not a chequebook racer. Anything that can be completed at home, is. Anything that can't, I wouldn't look past Slacks Creek Brake & Clutch.
The bias will definitely need adjustment - I have to wait and see how bad it is though once the car is on the road.
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