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Click on image for the lowdown. 
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| | | Forums66 Topics128,174 Posts1,057,048 Members48,458 | | 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: Dec 2002 Posts: 2,549 'Bolter | | 'Bolter Joined: Dec 2002 Posts: 2,549 | GMC's actually did get GMC engines in the Heavy Duty 9700-9700 HD series trucks. Yours is a 9700 HD. The GMC 248 was Standard, and the 270 optional. | | |
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