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Mod | | | Forums66 Topics128,049 Posts1,055,652 Members48,426 | | 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: Jan 2008 Posts: 4,961 'Bolter | | 'Bolter Joined: Jan 2008 Posts: 4,961 | I drove 50's GMCs 70 and better all day long during the 50's and 60's. It didn't hurt them a bit to turn over 3,000 as long as the radiator did its job. We never let GMC engines work hard below 2500 because it wore the piston skirts. Of course we were used to the noise Lugging an engine did more harm than overspeeding. | | |
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