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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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What diff ratio?
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Sat, 16 August 2003 10:10
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Can anyone give me any ideas on what diff ratio I should choose for my car?
If you dont know, I have a TA22 with a 3S-GTE and a W58 box.
Thanks
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Location:
berala sydney
Registered:
November 2002
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Re: What diff ratio?
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Sat, 16 August 2003 12:54
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hi cool1
what do you what to do with it cruise or drag or race it
And what ratio you got in it now.
cya knackers
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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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Re: What diff ratio?
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Sat, 16 August 2003 12:57
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I want to cruise and drag at the track thats about it! And I dont know what ratio I have now, I just got the new diff 
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Location:
berala sydney
Registered:
November 2002
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Re: What diff ratio?
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Sat, 16 August 2003 20:44
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so is the diff centre in the car or still out
and the new centre you go what did the centre come out of
cya knackers
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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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Re: What diff ratio?
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Sun, 17 August 2003 00:53
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Its a Hilux diff, So it will probably have some useless ratio! I have not used the car at all with the current engine and gearbox!
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Location:
Brisbane
Registered:
May 2002
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Re: What diff ratio?
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Sun, 17 August 2003 04:05
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Around 3.9:1 would be good IMO. Not sure how hard it would be to source a G series ratio that tall though.
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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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Re: What diff ratio?
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Sun, 17 August 2003 07:56
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I might make some phone calls tomorrow and see what I can come up with  Or maybe I could just buy the 3.9:1 set from the same place Rod found.
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Location:
berala sydney
Registered:
November 2002
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Re: What diff ratio?
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Sun, 17 August 2003 08:40
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hi cool1
Well at a ruff guess i'd say it's running 4.1s
Was running 4.1s in my ute but it when like a slug so i found some 5.2s and well that got it happening.good luck
cya knackers http://www.minitruckzone.com/knackers/
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Location:
Melbourne
Registered:
May 2002
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Re: What diff ratio?
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Sun, 17 August 2003 08:41
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depends on what revs you want to be doing at 100kph down the hi-way preferably at the point your engine makes the most torque for least revs without boost in 4th gear that way you drop back the revs with overdrive
a OJ in the dark for you car would be a 4.1 or 3.9
my MA70 has a 3.9 and .71 over drive does 2200rpm at 100kph and isnt too bad of the mark for a big tank 3.54 would be ideal for the hi-way tho
Allan
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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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Re: What diff ratio?
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Sun, 17 August 2003 08:47
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Well maybe I should just track down a second hand 4.1 center from the jap wreckers and try that! If I dont like it I can just buy a new 3.9 set later on.
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Location:
Newcastle
Registered:
September 2002
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Re: What diff ratio?
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Mon, 18 August 2003 08:47
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| Norbie wrote on Sun, 17 August 2003 14:05 |
Around 3.9:1 would be good IMO. Not sure how hard it would be to source a G series ratio that tall though.
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i found that some MX83 cressies have 3.909:1 g series centre! 
the code on the compliance was G312.
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Location:
Sydney
Registered:
May 2002
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Re: What diff ratio?
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Tue, 19 August 2003 05:57
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I actually enjoy the 4.1 behind my 1g
running 15psi and a w58, it gets about 100km/hr out of 2nd gear ~150km/hr out of 3rd 200 out of 4th nd 250ish out of 5th.
I'm currenty running a 3.909 and it is only slightly different. I actualy found it to be worse at 100km/hr acceleration, where as the 4.1 seemed to be in a sweet spot to pull in 4th or throw it back to 3rd for a real pull
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Location:
Brisbane
Registered:
June 2003
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Re: What diff ratio?
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Tue, 19 August 2003 06:41
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My 5me was doing 3000rpm @ 110km/hr in a w58 5th gear with a 3.9 ratio. Was too high imo. Should my 302 do the same revs providing i leave my box/ driveline the same?
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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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Re: What diff ratio?
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Tue, 19 August 2003 08:37
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Thanks Luke, I might try a 4.1 first off and see how it goes.
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Location:
Melbourne
Registered:
May 2002
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Re: What diff ratio?
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Tue, 19 August 2003 10:13
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| V8_MA61 wrote on Tue, 19 August 2003 16:41 |
My 5me was doing 3000rpm @ 110km/hr in a w58 5th gear with a 3.9 ratio. Was too high imo. Should my 302 do the same revs providing i leave my box/ driveline the same?
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You are aware cast iron v8's into ma61's have some serious heat issues? i suggest you track down v8supra (i think that was his name on here) he has an ma61 with a holden v8 and had issues with stuff melting
i would also think you may want a 2.something diff for that engine in an ma61 due to the fact you will need a few jerry cans straped to the back just to make it between servos, also you will be rowing thru gears like a lancer driver rice boy in the wet and the noise of all the push rods and stuff at 3000rpm will be deafining (ok last one im streching it a little)
Allan
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Location:
Brisbane
Registered:
June 2003
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I supported Toymods
Location:
south of the big smoke
Registered:
May 2002
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Re: What diff ratio?
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Tue, 19 August 2003 11:27
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robbo i would hav thought a 3.7 would be better for the v8 application as ya wouldnt have to rev it to get speed
with the 4.1 it revs at 3000 at 100km/h bit high for my liking im gunna go 3.7 next
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Location:
Brisbane
Registered:
June 2003
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Location:
MACKAY
Registered:
May 2002
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Re: What diff ratio?
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Tue, 19 August 2003 12:21
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V8_MA61
A 302 Windsor with a bit of work done to it will go the best with a set of 4.1 gears , A stock Windsor works well with 3.23 gears . I put a stock Windsor in my sons 1990 hilux which had 4.5 gears and by about 90 kmh it was out of the torque range but it got bent like a banana before we could fit some higher gears ( Tried to move 50 meters of safety rails on a overpass one rainy night ) !!
Trevor
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Location:
Brisbane
Registered:
June 2003
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Re: What diff ratio?
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Tue, 19 August 2003 12:24
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i think ill just keep the 3.9 the more i come to think about it. Just gotta think how much highway driving ill do...about 5-10 minutes a day i think.
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Location:
Brisbane
Registered:
June 2003
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Re: What diff ratio?
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Tue, 19 August 2003 12:25
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sorry shane, i didnt mean to make a few posts in your thread! 
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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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Re: What diff ratio?
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Tue, 19 August 2003 12:26
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I dont giveashit, I got what I needed out of it
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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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Re: What diff ratio?
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Wed, 20 August 2003 07:50
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Well it looks like the ratio I have now is a 4.875:1 which is very useless to me  So anyone want to buy some gears?
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