I'll add this (if you don't already know), should you decide you want a 450 3 ton, or 470 3 1/2 ton GMC COE, '52-'55.1 trucks had the 302 6 cyl. engine, in them, along with 5 spd. transmissions.
Spanky Hardy Collector Of Fine Old G.M. COE Trucks & Antique Holmes Wreckers
