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Click on image for the lowdown. 
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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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#29428 10/11/2003 4:09 AM | Joined: Jun 2000 Posts: 2,773 'Bolter | | 'Bolter Joined: Jun 2000 Posts: 2,773 | I'm at home now and have the books. 75 1/2 tons had the 250, 350, 400 small block and 454 big block. 75 was the first year for the 400sb in pickups, 307 was dropped in 72, 307 introduced in 77. The 454 started in 73.
The 292 only came in 3/4 ton & up, 366 & 427 were only in big trucks, which I don't have data on.
Fred
52 3600
69 C-10
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