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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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#12610 06/09/2002 12:37 AM | Joined: May 2002 Posts: 20 Member | | Member Joined: May 2002 Posts: 20 | Yes, if your gearing is too high the engine will have low vacuum and the high speed enriching circuit in the carb come into play lowering gas mileage.if the gearing is too low you'll have a heavy throttle opening, high rpms and poor fuel mileage.Some one once posted his AD truck runs 2.73 gears with a OD trans and a 235 engine.I remember he claimed his truck could do 120 + MPH with that same stock 235 and get over 20 mph at 70 mph.How could that be?
Porky Pig is just a ham.
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