Re: Improve mileage 350 with Quadrajet
LPG has about 79% of the energy content of gasoline. If you get 8mpg on gas, 6 would be about right on LPG. There is a huge difference between the fuels, "bi fuel" engines are extremely inefficient on LPG. If your engine was tuned exclusively for LPG, at 100+ octane, you would get way, way better mileage.
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'73 K20 Cheyenne Super Camper Special 350/TH350/NP205 sittin' on 33's.
You can set my truck on fire and roll it down a hill,
and I still wouldn't trade it for a Coupe de Ville.
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