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Old Mar 24, 2008 | 10:15 PM
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Default Blown Gearbox

Hi guys
I have a uk spec classic impreza turbo w reg running 325bhp, on saturday the gearbox decided to go , so instead of taking a sidestep i want change the box to something stronger that would handle the 325bhp, i have been looking into getting a p1 box, is the box any stronger and also will it go straight in reguarding the diffs? if not what would anyone recomend other than going down the ppg route as i cant afford that set up..

btw does anyone know a rough estimate for a second hand p1 g/box

cheers guys
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Old Mar 24, 2008 | 11:44 PM
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i payed 1,000euro for my type r box if that help.
think i got screwd tho.
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Old Mar 24, 2008 | 11:49 PM
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you will need the diff and shafts to match the p1 box mate.
paid £800 for my box.£200 for diff and £150 for shafts on mine.
been running 360bhp on it for a year with a few santa pods
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Old Mar 25, 2008 | 01:21 PM
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tbh your choice is pretty limited, replace with a slightly stronger 5 speed, as sugested p1 or type r, but depending on how you drive it you may find it blows up again very quickly.

recon'd box will possibly do the same.

6 speeder wont be cheap and will dick about with the gear ratio's

ppg box aint gonna be cheap
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Old Mar 25, 2008 | 09:17 PM
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Cheers for the response guys, just wondering which shafts need replacing front or rear and also why?

cheers
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Old Mar 26, 2008 | 12:57 AM
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anyone?
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Old Mar 26, 2008 | 11:04 AM
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not sure, tbh, i thought he shafts were the same for the different diffs, might not be the case hence needing them
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Old Mar 26, 2008 | 01:19 PM
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yuo don't, I've been running a P1 box on a MY00 UK car for a while; all you need is the diff.

I paid £800 for the box and diff and then spent another £500 on a rebuild...think carefully about going the whole hog to a PPG. I wish I had gone down that route now.
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Old Mar 26, 2008 | 01:24 PM
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on my my97 the shafts did need to be changed
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Old Mar 26, 2008 | 01:47 PM
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You don't say what torque you're producing, that's what kills boxes, not bhp.

To be honest, if you want to be assurred of a box that'll take the power and accommodate some rough treatment, then you're looking at a 6 speeder from a UK Sti or a PPG gearset.

Give David at Api a bell for a no BS chat.

Ns04
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