heres another option for you, ship the transmission out to john and ming at TRE (team rip engineering) in kalamazoo michigan
i have a 97 gst, and my 4th gear gernaded on me, so i shipped it to them,
had heavy duty syncrhos put in, a heavy duty 3rd and 4th gear set put in, steel shift rails (to replace to britle as hell cast iron stock ones WHICH EASILY BREAK)
they produce simply AWESOME tranny's i've had my tranny back from them for a month or so now and it shifts smooth as hell and i'm more confident racing my car at the track knowing my car will take the abuse much better now.
their website is
www.teamrip.com
check it out its definately worth it
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97 GST 20g's in, and SOLD
94 z28 just beat the hell out of it and sold it
95 240. w/ factory lsd SOLD
00 taurus (now with cd player haha)SOLD
02 R1 so fast =) (and so stolen)
97 GSX (finally back to the

temple of dsm)