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Mod | | | Forums66 Topics128,049 Posts1,055,680 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!
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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: Jan 2008 Posts: 4,961 'Bolter | | 'Bolter Joined: Jan 2008 Posts: 4,961 | AC 43 is a little cold for casual driving. It was designed for a truck that worked all the time because the 248 was only available in larger trucks. A 44 or even a 45 works a lot better for the way most classics are driven today. 44 and 45 appear on eBay all the time. These plugs were designed for GM engines and that's all I have been using in the 50 years I have been toying with GMC engines. | | |
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