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Jap 6MT into MY94WRX, what diff, I'm confused?

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Old Jul 7, 2004 | 08:49 AM
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Default Jap 6MT into MY94WRX, what diff, I'm confused?

I am going to be fitting a Jap 6MT into my MY94WRX after the 5 speed went bang the other night. My car has a 4.11 rear diff. Will this work with the Jap 6MT box?
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Old Jul 7, 2004 | 10:41 AM
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From: Leeds - It was 562.4bhp@28psi on Optimax, How much closer to 600 with race fuel and a bigger turbo?
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nope, you need a 3.9 rear.
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Old Jul 7, 2004 | 10:44 AM
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Ok, off in search of a 3.9 then!

Thanks
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Old Jul 7, 2004 | 10:49 AM
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From: Leeds - It was 562.4bhp@28psi on Optimax, How much closer to 600 with race fuel and a bigger turbo?
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the only 3.9 r160 you will find was on the sport and has no lsd.. so you will have to get the cwp from the sport diff and fit it to the turbo diff with the lsd..

Preload etc will need checking / shimming

David
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Old Jul 7, 2004 | 10:53 AM
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Thanks David, just been offered the diff out of a UK300, but I don't think they are a 3.9, and from what you have just said....
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Old Jul 7, 2004 | 10:55 AM
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Don't suppose you know where to get your hands on one.....
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Old Jul 7, 2004 | 11:08 AM
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From: Leeds - It was 562.4bhp@28psi on Optimax, How much closer to 600 with race fuel and a bigger turbo?
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the only other option is the jap car it came from....

try stuart @ TEG.
Phill Venn @ Barretts Motorsport
Howard @ HDC Subaru
Andy @ Grade A subaru
Anyone @ Roger Clarke
Colin Minton (Rally Collin)
JaseMac

erm.. erm..

David
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Old Jul 7, 2004 | 11:35 AM
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Grade A came up trumps
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