we tested that tire inflation and it was about 1 mpg, but then if you run all the time on over inflated tires you end up running the tread down so you have to fork out 3-800 in new tires, but if you think dropping pressure in your tire that would be dangerous, your tire would rip apart after so long, but you could probably put smaller wheels on that would be safer, but i'm going for my 20" 275/45/20 hankook. now you can advanced the timing a little and that will help, and also help with power also, but gotta watch you don't go to far or you'll get detenation. i know aligning has a big part to everything, if you were out of alignment like our honda was we were losing about 3-5 mpg, because you are giving more gas to overcome the directions the tires want to go. lowering a vehicle also gives you about 1 mpg. i've done research on alot of this and also have done it. i got my gauge today and have been messing around with it. still need to drill though until they can get something else invented that everyone can afford. don't you love have they whine about everything then come out with stuff and only rich people can buy it, kinda like that 700 hp electric car, be nice to have one of those, but were from pa lol.:_drool:
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