GEARBOX'S
09 August 2008, 12:01 AM
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GEARBOX'S
hey guys at what bhp is it adviced to change the gearbox and clutch?
and what sort of gearbox would need to be fitted?
i thought a gearbox was a gearbox regardless of the bhp
and what sort of gearbox would need to be fitted?
i thought a gearbox was a gearbox regardless of the bhp
09 August 2008, 12:23 AM
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Adzer, you make no mention of what year/variant you have. Would be helpful, more so for yourself.
Around 500 of both is apparently fine on a standard box. Just not a 5 speed. 
Originally Posted by Ste98Turbo
Around 330bhp is the advised level max on a std box.
09 August 2008, 10:40 AM
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sorry its a 95 wrx i have, gonna fit a cdb with forge internals and v2 sti heads that are ported and polished. car is fully decatted. k & n induction kit.
will fit bigger injectors and uprated fuel pump too but dunno what sort of turbo i'd be using. so if anyone has a rough idea of what bhp it could be making to advise me what clutch and box i'd need that would be great
will fit bigger injectors and uprated fuel pump too but dunno what sort of turbo i'd be using. so if anyone has a rough idea of what bhp it could be making to advise me what clutch and box i'd need that would be great
09 August 2008, 10:56 AM
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sorry its a 95 wrx i have, gonna fit a cdb with forge internals and v2 sti heads that are ported and polished. car is fully decatted. k & n induction kit.
will fit bigger injectors and uprated fuel pump too but dunno what sort of turbo i'd be using. so if anyone has a rough idea of what bhp it could be making to advise me what clutch and box i'd need that would be great
will fit bigger injectors and uprated fuel pump too but dunno what sort of turbo i'd be using. so if anyone has a rough idea of what bhp it could be making to advise me what clutch and box i'd need that would be great
main thing that will decide the level of power you will run is the part you havent decided on....
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09 August 2008, 11:19 AM
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Power will depend on Turbo you choose. If you are sticking with what you have listed above and sticking with stock turbo i would just get a Uprated organic clutch and use the stock gearbox.
What are you doing for an ECU?
If you could say what kind of power you want. We could help spec what you need etc.
What are you doing for an ECU?
If you could say what kind of power you want. We could help spec what you need etc.
Last edited by Bats-Wrx; 09 August 2008 at 11:21 AM. Reason: .
09 August 2008, 12:13 PM
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alot depends on how you drive it, i drive mine like an **** and done a box at 250bhp, 280 and with a fully rebuilt late spec 5 speed its going again at 330
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