Quote:
Originally Posted by W///
I saw no such MPG change when I switched
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Quote:
Originally Posted by dparm
M1 0w40 is about 25%-30% thinner than TWS in operation. That does not, however, equate to 25-30% better gas mileage. I think you'll find that after running several tanks of gas it *might* be 1mpg better, perhaps less.
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Good to know. 3 MPG increase at an assumed 16-20 mpg average is a monumental increase. Dat der placebo affect