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Old 01-26-2009, 10:15 PM   #6
FuJi K
Scooby Guru
 
Member#: 3687
Join Date: Jan 2001
Chapter/Region: MWSOC
Location: St. Paul, MN
Vehicle:
MY99 GF4 JDM 6spd
NF Performance

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Quote:
Originally Posted by Woodward View Post
Not all Subaru 5spds are interchangable. One difference you have to take in to consideration is which ones are push and which ones use pull clutches.

Then there's rear diffs and ect ect.
They ARE interchangeable you just have to run the clutch that the tranny calls for. And YES must have the rear diff that matches the tranny in final drive.


The 2.5RS 5spd runs a 4.111FD in that year; 00. You can get a Forester NA 5spd and it'll work. You can use an Legacy Outback NA 5spd and it'll work. You can use a newer 02-04 2.5RS and '05 2.5RS Sport and it'll work. You can use oldskool 93-96 Impreza WRX/STi non-RA and it'll work if you use the clutch made for the tranny. You can even use the '05 LGT turbo tranny but have to install the spur gear for speedometer.

I run a '04 JDM WRX STi DCCD 6spd/R180 on my '91 EJ22T block with 6spd clutch. This is WRX STi 6spd tranny on a Legacy EJ22T block, which is over 10yrs difference. Can even mate this 6spd onto the Subaru H6's currently!
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