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My Project Car is a 97 Mazda Protoge. But I also have a 94 Toyota PU. I would like to turn that into a project vehicle as well but .... one thing at a time.
For a truck (after reading on this site for the last year) low hanging fruit are:
1) Remove belt driven fan replace with thermostate controlled electric fan. (Only run a fan when needed to cool radiator --- don't run when not needed.)
2) Air dam. Underside of truck is aero dirty. Get more air going around truck not under.
3) Partial grill block. Most trucks have big flat fronts. Again only let as little air as needed into engine compartment get the rest of the air around/over.
4) Aero bed cover. Lots of good threads here on people who built bed covers.
5) If you don't use truck for hauling then see about lowering. Helps with item 2 and lowers frontal area.
But the number one thing is hypermilling driving techniques. With a few driving changes you should get 15-25% improvement (put you up around 21-23mpg)
Welcome. Let us know your successes and any test results. We all learn from each other.
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