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Old 11-27-2012, 10:11 PM   #11 (permalink)
serialk11r
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Quote:
Originally Posted by Mustang Dave View Post
I added a bottle of Chevron "Techron Concentrate Fuel System Cleaner" to my Mustang's tank a few fuel-ups ago. (and counted it as fuel) No noticeable difference in MPG, but at over $85 per gallon ($7.99/12 oz. bottle), I won't make a habit of using it when nothing's wrong.
Supposedly Marvel Mystery Oil is a good fuel system cleaner, and it's pretty cheap at 5 dollars for 32 ounces.

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