Quote:
Originally Posted by Low and Mean
We bought a turbo added a innercooler and propane injection, which really improves the performance and mpg. Then we covered the rear wheels and wrapped the van with a 12" rubber skirt. The last step is the big front bumper we made out of fiberglass with a rubber skirt below. The end result we took a van from 10-11 mpg to 14-15mpg going 60-65 mph (where before we could only get 55-60mph max speed).
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Are you including the propane burned when you calculate mileage? What is the percentage of propane in your fuel mix?