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Gearbox how much torque can it take ?

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Old 19 October 2003, 08:15 PM
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Kendo
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I was planning to get my STI 5 as near 400lb of torque as i could.
After talking to a couple of folk i believe that the gearbox will not last long at anything more than 370lb ?

So what are my options ? don't want a dog box (had the 1st GTI-R in UK with a 1st & 2nd PAR dog box, great piece of kit just not wife or everyday friendly) so looking for a synchro set thats up to the job.
Old 19 October 2003, 10:31 PM
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David_Wallis
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Location: Leeds - It was 562.4bhp@28psi on Optimax, How much closer to 600 with race fuel and a bigger turbo?
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mark @ lateral does a PAR syncro kit.. straight first..

Speak to him..

David
Old 19 October 2003, 11:19 PM
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Bob Rawle
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Both Harvey's and my Sti gearbox's have so far stood up with this level of torque both 25000 miles plus), my centre viscous diff has given up though and that is the weakest link, Harvey also uprated his centre diff.

bob
Old 20 October 2003, 01:17 PM
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beryllium
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sti ra gear set is 15% stronger than genuine sti,due to cryogenic treatment
Old 20 October 2003, 08:05 PM
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Kendo
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cheers guys
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