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What can you do to improve mileage and power for a 91 Chevrolet Silverado k1500 4x4 305 engine with automatic transmission a new rebuild from GM?
Wiki User
∙ 12y ago
Tire weight is a huge factor in gas mileage; use a tall, lighter tire ( load range B) unless you need a heavy ( Load range C,D) for what you use the truck for. For power and mileage, consider a K&N air filter and flowmaster mufflers.
Answerits been my experience that to increase mileage ain't nothing better than a light throttle foot. later model trucks come with a computer that tells you exactly how much fuel the engine is consuming in real time. once you get up to speed from a stop, 100 or 200 rpm can make a huge difference in fuel consumption. hook a flow gauge up to your truck and you will see. i get the best mileage from mine when i drive with the computer set to show instant mileage. that way i get direct feedback when i am stepping on the gas.Wiki User
∙ 12y ago
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