The only difference I know of is the early models up through 66 had smaller bolts for the flywheel. 7/16 on the early ones & 1/2 on the later ones. You can use the corresponding flywheel or I used to drill the older flywheel out to 1/2 when replacing an engine.


George


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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