Hi guys.

Got a 55 plate WRX 2.0 5 speed. Would like to tune it but don't want to go mega-money. Just looking to get max out of std internals and transmission.

Just wondering if anyone has broken any these gearboxes and how much power they were running through it at the time.

Ive read a lot of threads about it but everyone seems to be talking about 5 speeds as if there was only 1 edition of the 5 speed gearbox.

I read on wikipedia that they changed the 5 speed in 2003?? See below.
If thats the case then Im only interested in 5 speeds after 2003.

Thanks guys



FROM WIKIPEDIA...
http://en.wikipedia.org/wiki/List_of...missions#5MT_2
""
5MT

It is notable to mention that only Turbo vehicles received a hydraulic clutch until 1995. Also, in 1998 Subaru changed from a push-style clutch to a pull-style requiring minor bellhousing and fork changes.

• Gear Ratios: 1st 3.785 2nd 1.945 3rd 1.500 4th 0.994 5th 0.780/(0.735 WRX) - Final 4.11 (3.90 WRX)
• Usage: All 1990-2003 with EJ-Engine

5MT Revised

• Gear Ratios: 1st 3.454 2nd 2.062 3rd 1.448 4th 1.088 5th 0.871 Rev 3.545
• Usage: All 2003–Present Subaru Non-Turbo

5MT Turbo

• Gear Ratios: 1st 3.166 2nd 1.882 3rd 1.296 4th 0.972 5th 0.738 Rev 3.545
• Usage: All 2003–Present Subaru Turbo

""

 

Hi, I'm no expert but i hear about 320 is a safe level for clutch/gearbox but some guys on here have gone a lot further. Regarding you question on 5 speed gearbox versions, wouldn't have thought it would make much difference? As all designed for same power.
Phil

 

essentially there are 2x basic variants of the 5spd fitted to 2.0 cars..............
the info above is wrong as the "push" clutch did not appear until 2006 MY with the 2.5WRX (6spd STi still uses the "push" type)

752 casings (89-98) generally regarded as the weakest, then the 754 (98-05) although there is a revision 754 around 03 supposedly stronger again...........

a lot depends on how you drive/treat the transmission and how well serviced