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wrx 2.5 gearbox what bhp/lbs are you running

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Old 01 August 2011, 11:34 AM
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AN07 PTN
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Default wrx 2.5 gearbox what bhp/lbs are you running

hi guys i am looking at putting a new turbo on my wrx hawkeye which is already running aprox 275bhp/350lbs .. what are you guys running on a standard 5 speed box and how long have you been running it ?????????????????
Old 01 August 2011, 07:49 PM
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EmzWRX
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350 bhp/340lb/ft running it now for 16 months
Old 01 August 2011, 08:44 PM
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AN07 PTN
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Originally Posted by EmzWRX
350 bhp/340lb/ft running it now for 16 months
is that on a standard clutch and box?? also whatmods and turbo are you running im looking at a vf48.

ps are u on mk car show on sunday. if so see ya there
Old 01 August 2011, 08:48 PM
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Dougmy06wrx
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I was running around 330 bhp, on standard clutch with vf43 and the clutch started slipping, car had fsh and 43k.

Duncan (racedynamix) had to keep the boost to 1.6 bar due to the clutch slipping so maybe factor that into your modding costs!

Also the clutch in the 2006 onwards wrx is a push clutch instead of a pull clutch!

Doug
Old 01 August 2011, 09:51 PM
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Tomwrx
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i ran 355 bhp on my hawkeye wrx sl ,vf43,l/c but it was the front diff that went .

so save any probs just went 6spd
Old 01 August 2011, 09:55 PM
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EmzWRX
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Originally Posted by AN07 PTN
is that on a standard clutch and box?? also whatmods and turbo are you running im looking at a vf48.

ps are u on mk car show on sunday. if so see ya there

Yes standard Clutch and yes Standard box, no issues with my either.

Main Mods....

Harveys TD05 18G Turbo
STI TMIC
Japspeed CAIK
Full 3" Japspeed Exhaust
RaceDynamix Remap...

No Don't think I'm going to the MK Car Show on Sunday...... but will catch up with at some point I'm sure......
Old 02 August 2011, 12:23 AM
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AN07 PTN
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Originally Posted by EmzWRX
Yes standard Clutch and yes Standard box, no issues with my either.
thats good to know i will be happy with 340/340 . from what i gather from duncan all i need to reach that is a new turbo as wrx tmic should cope with those figures

happy dayz
Old 02 August 2011, 12:40 AM
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Running 334bhp and 381lb/ft torque on mine with 1.35 bar on a VF48. Running for couple mo the now no issues on standard clutch.
Old 02 August 2011, 12:41 AM
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Stupid touch phone. Doh
Old 04 August 2011, 06:08 PM
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rob84
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My mate is running 380bhp &408ft/lbs on a vf48 on the 2.5 wrx gearbox
Old 04 August 2011, 07:57 PM
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Originally Posted by rob84
My mate is running 380bhp &408ft/lbs on a vf48 on the 2.5 wrx gearbox
how many gearboxes has he eaten? ive heard the wrx box will give up at 350ish ft/lbs
Old 04 August 2011, 10:39 PM
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rob84
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None yet car has done around 40,000 miles and is driven hard, that will be the 5 speed from a 2.0. the 2.5 wrx box is stronger if i recall
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