86 was a transition year. If it has a 1 piece rear main seal, the 87 will fit. If it has the older 2 piece seal then the 64 will work. . I am confused on the flexplate/manual 4 speed thing. Check the flexplate to make sure it has bolt holes to the converter. There are some variations in those.


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
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