Quote:
Originally Posted by Loory
I also want to try a Protium gaz optimizer but not totaly decided yet, they have great testimonials from their clients.
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I wouldn't spend a lot of time on that. You can find testimonials for just about every kind of gimmick out there!
trikkonceptz: I'm glad you recognize that it's impossible to definitively say whether or not something contributes to a change in fuel economy when you change multiple items at once. Generally, an A-B-A test is the way to test.