Yes, the 500 would easily fit in most of these old Stovebolts. I have a 455 Buick in my '46 GMC, and my dad has a 454 in his '52 Chevy. Both are on S-10 frames which makes it easier, but both have plenty of room to fit those engines. Here's a link to engine dimensions: ENGINE DIMENSIONS CLICK HERE


1946 GMC Pickup - S-10 Frame, 455 Buick, TH400, original patina.

My 46 GMC on Photobucket