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Originally Posted by PNG
Was  with a mechanic friend about this very issue. He said some vehicles will get better mpg and some worse. Why?  I am in the latter catagory 
He said some plastics (read GM fuel pumps) MAY incure a melt down.
Time will tell. Change your fuel filters as this stuff is supposedly a great cleaner. |
They're all pretty much plastic, tanks too, shouldn't cause any problem.