Is a Type R gearbox good for upto 400bhp?
#7
They apparently changed the mounting in 98 I think, which leads to less casing flex. Question is... can a newer box be fitted to an older car reaping the benefits if there are fewer bolt holes?
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#11
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Casing is different between phase 1 & 2, and you can fit either to anything. Only issue is that pahse one use 4 bolts, and phase 2 7 or 8...can't remember
I've now run a Legacy turbo (circa '97) box for upwards of 20k kms without issue at around 310-320 ps. But I've taken it easy
Richard
I've now run a Legacy turbo (circa '97) box for upwards of 20k kms without issue at around 310-320 ps. But I've taken it easy
Richard
#13
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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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no, I dont think the bolts provide the extra strength, but they may help.. my six speed is held by four..
Phase 1 - 2 / engine /box's are interchangable as richard says
just pay attention to diff ratio's
Phase 1 - 2 / engine /box's are interchangable as richard says
just pay attention to diff ratio's
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Hi John.
As it happens.My cars gearbox has just been taken out today.
To fix a syncro problem in 5th.
Think this is more of an age/mileage related thing.
Gears themselves appear to hold up well at this sort of power.
And hopefully slightly beyond.(Fingers crossed).
Steve.
As it happens.My cars gearbox has just been taken out today.
To fix a syncro problem in 5th.
Think this is more of an age/mileage related thing.
Gears themselves appear to hold up well at this sort of power.
And hopefully slightly beyond.(Fingers crossed).
Steve.
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Cheers for the input fella's.
sg72, i too have a sycrho prob with fifth, it would seem this is something common to a lot of impreza gear boxes independant of power, so all in all i think im going to try my luck.
Cheers, John
sg72, i too have a sycrho prob with fifth, it would seem this is something common to a lot of impreza gear boxes independant of power, so all in all i think im going to try my luck.
Cheers, John
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I should have kept quiet...just lunched 2nd in my poor Legacy box after upping the power a bit.... (finally fixed my det issue - operator error )
Bugger, but could have been worse - 6MT linkage en-route and prop being dropped off for shortening tonight.
Richard
Bugger, but could have been worse - 6MT linkage en-route and prop being dropped off for shortening tonight.
Richard
#27
From what I can gather in recent threads, just get a 6 speed with all the trans bits and the job is done to 350/400 bhp? Need to carry a bit more weight (25Kg) but a cheap alternative to Lateral kit/Quaife etc? You get to fit a bigger clutch if you want too!
Sounds just the ticket to me.
Oh, and buy a trans jack too, mines a Draper floor jack, realy good and just £80.....
Does anyone yet have a handle on which Impreza has what diff ratio/gear ratios so to compare, say, an early RA/4,11 trans and a v7 scooby trans???
Graham.
Sounds just the ticket to me.
Oh, and buy a trans jack too, mines a Draper floor jack, realy good and just £80.....
Does anyone yet have a handle on which Impreza has what diff ratio/gear ratios so to compare, say, an early RA/4,11 trans and a v7 scooby trans???
Graham.
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