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Mod | | | Forums66 Topics128,163 Posts1,057,072 Members48,463 | | 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: Aug 2018 Posts: 1,004 'Bolter | | 'Bolter Joined: Aug 2018 Posts: 1,004 | I have seen X C and T used if there is a letter prefix
I thought I read someplace it was just so you knew the intended purpose of the engine if it had been removed from the truck later on
These prefixes were for 3/4 or 1 ton and up and the half ton and car didn’t have any or used different prefixes ?
But who knows, we need a time machine or someone has to find a dusty book
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