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83 cutlass thm200-4r to a thm350

633 Views 1 Reply 2 Participants Last post by  tjh211
I have a 83 Olds cutlass with a 350 chevy small block engine. The trany blew and its a thm200-4R. I wanted to put a THM350 to replace it. I need to know if i have to use a diffrent crossmember
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The 350 should go into place of the 200r4, the length should be the same, the splines should be ok as well.
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