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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!
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| | | | Joined: Sep 2006 Posts: 1,276 Shop Shark | | Shop Shark Joined: Sep 2006 Posts: 1,276 | Due to the very low rear end gear ratio in your truck and the slip of the torque converter of an automatic I would use an overdrive transmission if I were you. Your best bet would be a 4L-80 they are much like a turbo 400 but with a 4th gear overdrive. They can be found in mid 90s to present Chevy and GMC ¾ to 1tons and there are even stand alone computers for the electronic models. In my opinion you would be disappointed in the performance of your truck with t turbo 350 pushing though them low gears. | | |
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