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Click on image for the lowdown. 
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| | | Forums66 Topics128,091 Posts1,056,033 Members48,433 | | 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: Apr 2016 Posts: 102 'Bolter | | 'Bolter Joined: Apr 2016 Posts: 102 | The 3-53 was rated at 101 HP. new. I drove a 1970 3/4 ton GMC with a 3-73 and a SM420 in it. One of the most underpowered, slow trucks I have ever driven. It needed 6 inches of body lift to close the hood. Be prepared to do A LOT of work to make it fit. The detroit "power band" is fairly small, they don't "lug down " well. If you are looking for "slow and loud" then go for it. | | |
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