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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: Oct 2001 Posts: 3,458 Extreme Gabster | | Extreme Gabster Joined: Oct 2001 Posts: 3,458 | Yes, you will gain a small amount of torque, and better fuel economy. You could probably run a few degrees advanced with no trouble. Just advance it a bit at a time until it pings on grades on hot days and back it off a little bit. You will probably need to re-adjust the idle mixture and speed on the carburator after adjusting the timing for smooth idle.
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