Is it possible to strengthen the internals of a WC T-5 tranny?? I have been 13.20 at 105.5 with it but hope to go low twelves after winter. I know the ford guys put in stronger pieces but I have never heard of this for gm t-5 transmissions.

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1991 Firebird
350 L98 (was a 305 TBI)
T-5 transmission
Edelbrock TES and cat back
Accel manifold
NOS
subframes
jegster torque arm
MSD Digital 6
AFPR
Lakewood lcas
hurst linelock
SLP cam
relocated battery
cold air
Hypertech chip
centerforce clutch
poly bushings and mounts
etc..

14.1 @ 99mph with just headers and catback

with NOS and other mods???? twelves??

 

www.gearzone.net sells a counter gear stabilizer to beef up the case a bit. That's the only thing I've heard of and the non-WC T5's have nothing.

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1984 WS6 Trans Am Hartop
Former L69 Car under restoration
1984 WS6 Trans Am T-top car
4-bolt main 350, headers, Holley 650, T-5 and 3.23's.
Daily driver and restoration