Thread: trans. problem

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i have an 82 olds cutlass.i put an chevy big block in it.want to use my 350 trans. but i cant find torquconvetter to fit my flex plate.my flex plate is 14 1/4 in.the bolt holes are 10in.the torquconvetter i have tryed are 9 1/4 in. bolt to bolt.what do in need to do.change trans.or flex plate.

call B&M and ask for their tech dept or slam a THM 400 with a short tail shaft housing and check your D shaft for proper length.

Originally posted by hemperor
i have an 82 olds cutlass.i put an chevy big block in it.want to use my 350 trans. but i cant find torquconvetter to fit my flex plate.my flex plate is 14 1/4 in.the bolt holes are 10in.the torquconvetter i have tryed are 9 1/4 in. bolt to bolt.what do in need to do.change trans.or flex plate.

sounds like you got the wrong flex plate all 350 flex plates should interchange. if its a 454 youll need a ext. bal. flex plate.

Be sure thats a t-350 transmission. The 82 olds came with either a t-200 a 200-R4 as alternatives to that transmission. If it had a 260 and you stole the flexplate from it, the plate wont bolt on. If it was a 307, its a 50/50 chance.