I can't remember if these engines are the same physical size or not. Does anyone know? I'm wondering if I will have to modify the cross member when I am trying to drop the Chevy 261 in. I am using a later model (1948 - 1952/53) bellhousing with a SM420. It originally had the GMC 228 in the frame.
Last edited by Peggy M; 07/30/2024 9:02 PM. Reason: added full truck year to help with searches ;)
