Your looking for a Jimmy 6?...........
First, put an ad in the
Swap meet here at TSBP.
You are looking for a 248; that is what your truck came with stock. A 228 will work, but if you're lucky you might find a 302!
Happy Hunting!
Any '39-'62 GMC engine will bolt up (228,236,248,256,270 and 302)
