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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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| | | | Joined: Sep 2005 Posts: 254 Shop Shark | | Shop Shark Joined: Sep 2005 Posts: 254 | i have a 1985 Chevy C10 with a 305 and 3spd auto with 3.08 gears and i have troubles with getting 12 but don't do just to much highway but i should be getting a little better cause the best i've ever gotten was 14 its stock 305 with headers and factory Q-jet 4 barrel and true dual exhaust (2 1/2" pipe cherry bomb glass packs) i'm guessing smaller pipe would help? any ideas
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