UK Gearbox in an STI?
13 December 2001, 09:00 PM
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Does anyone have any experience of using a UK gearbox in an STI... I fancy a 2 door STI5, but would like long gearing (motorway driving etc). Is the UK box as strong as the Jap ones? Is the swap easy? Please tell me this is a sensible modification, does the car still feel fast?
Thanks
Jon
Thanks
Jon
13 December 2001, 10:35 PM
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The main gears of the STI V box are the same as the UK car - there is no evidence that I can source that suggests they are different. Part numbers are the same as the Jap part numbers, the cross-reference matches too.
The main differnces are final drive and the drop gears.
Why not go for a four door STi V the gearing is fine in that car - 4000rpm is about 89mph.
Trout
The main differnces are final drive and the drop gears.
Why not go for a four door STi V the gearing is fine in that car - 4000rpm is about 89mph.
Trout
14 December 2001, 09:59 PM
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if you want to get longer gears all you need to do is to get longer diffs. quaife do them for around £500 each. you will need to change both the front diff inside the gear box and the rear diff. also you can just get some 3.9 diffs of a UK MY99 car ( sti type R 4.44) however if the car you want is a type R which have no ABS and adjustable centre diff, i think it also uses different ( thicker drive shafts ) so that will need to be replaced as well 
.
or yo can do what trout said and just replace the gear set.
more than one way of doing things as usual all depending on your budget and how long can you stay with out your car
sam
. or yo can do what trout said and just replace the gear set.
more than one way of doing things as usual all depending on your budget and how long can you stay with out your car
sam
14 December 2001, 11:14 PM
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Happy,
you are correct to be not 100% sure.
the 3rd and 4th gear sets come as a single part - which is the same for the UK are as it is the STi. The P1 gears may be different however, I ain't checked.
Cheers.
Trout
you are correct to be not 100% sure.
the 3rd and 4th gear sets come as a single part - which is the same for the UK are as it is the STi. The P1 gears may be different however, I ain't checked.
Cheers.
Trout
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14 December 2001, 11:26 PM
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These are the gearbox ratios for the STI Version 5 and 6.
Gear Ratio 1st 3.166
Gear Ratio 2nd 1.882
Gear Ratio 3rd 1.296
Gear Ratio 4th 0.972
Gear Ratio 5th 0.738
Gear Ratio Reverse 3.333
Final Drive 4.444
UK Gear ratios are
1st 3.454
2nd 1.947
3rd 1.366
4th 0.972
5th 0.738
reverse 3.333
final drive 3.90
Source http://www.subaru.com.au/Specificati...ifications.asp
Cheers,
Wrexy.
Gear Ratio 1st 3.166
Gear Ratio 2nd 1.882
Gear Ratio 3rd 1.296
Gear Ratio 4th 0.972
Gear Ratio 5th 0.738
Gear Ratio Reverse 3.333
Final Drive 4.444
UK Gear ratios are
1st 3.454
2nd 1.947
3rd 1.366
4th 0.972
5th 0.738
reverse 3.333
final drive 3.90
Source http://www.subaru.com.au/Specificati...ifications.asp
Cheers,
Wrexy.
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