Putting a SBC in your truck and saving the SM-420 transmission and it's PTO will require a new bellhousing (1958-up? truck) and new motor mounts/crossmembers (fabrication).

Why not find a 261 and replace the bad engine? It's a direct bolt in with no fabrication required!

Mike B smile


Mike Boteler

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