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Click on image for the lowdown. 
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| | | Forums66 Topics128,115 Posts1,056,292 Members48,439 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
| | THANKS!
For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Mar 2005 Posts: 1,029 Member | | Member Joined: Mar 2005 Posts: 1,029 | Olds engines and engines similar to Pontiac were used in the mid to late thirties and the 228, 248 and 256 and the 6-71 diesel engines were available in different models of GMC starting in 1939. 1940 2 1/2 ton COE 4 X 4 was a 270. | | |
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