Why aren't you using the '57 V8 front motor mount chicken legs? It will save you from having to align everything before drilling the frame...all of the needed holes are there from the factory taking the guess work out.

https://www.classicparts.com/1955-59-Original-V-8-Conversion-Set/productinfo/79-375/

I think the 3-speed bell housing center hole is smaller than the 4-speed hole.

Mike B smile



Mike Boteler

1956 Chevy 3100 Resto Rod
1952 Willys M38 Army Jeep
1983 Jeep CJ7 Laredo
1984 Jeep CJ7
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Silver Spring, MD