[2DXTRM]

Focus man, Focus.,Jan 23 2010, 09:25 PM Wrote:If you want the honest truth, fuel system cleaners and oil flushes can do more harm than good.  It can loosen up carbon in the combustion chamber and cause a sticking valve or foul up your plugs.  Working in the automotive aftermarket for many, many years I have seen numerous cases of cleaners doing very bad things.  Regular maintenance is the best thing anybody can do for their car.
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I usually dont go for additives (fuel or oil). Id rather go for something "better" (oil, fuel and auto parts) right from the get go.

I was just wondering about these 2 cleaners in particular, as STP has been around for many many years and REDLINE is a highly regarding brand in their synthetic oils and fluids.

Ive heard some people have had good luck with them, some say it didnt do squat (as in my case).
Not a bad "experiment" to try IMO.