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Click on image for the lowdown. 
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| | | Forums66 Topics128,156 Posts1,057,021 Members48,460 | | 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!
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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: Jul 2010 Posts: 14 New Guy | | New Guy Joined: Jul 2010 Posts: 14 | Back in the mid 60s my Father had this truck,with a Pontiac V8 from the factory.what was the c.i.,and were they left over engines that Pontiac no longer used? | | | | | Joined: Jul 2001 Posts: 3,887 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Jul 2001 Posts: 3,887 | | | | | | Joined: Mar 2006 Posts: 143 Wrench Fetcher | | Wrench Fetcher Joined: Mar 2006 Posts: 143 | Check the " old gmc trucks" site-- there is a lot of info available.
Good luck. | | | | | Joined: May 2001 Posts: 7,438 Extreme Gabster | | Extreme Gabster Joined: May 2001 Posts: 7,438 | Check the " old gmc trucks" site-- there is a lot of info available.
Good luck. Yes, and it is more accurate than that wiki article. It has some bad info in it. | | | | | Joined: Dec 2004 Posts: 1,897 Shop Shark | | Shop Shark Joined: Dec 2004 Posts: 1,897 | It is interesting to note these early gmc/pontiac motors were reverse cooled motors. That is to say the water was directed to the heads first, and then down to the engine block. It is also interesting to note that these motors do not share the later Buick Oldsmobile Pontiac Cadillac bellhousing bolt pattern. | | |
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