Way back in the dark ages, I used STP as an assembly lube on engine overhauls. Every engine I built that way had some sort of oil-related failure and didn't go the expected distance. Just to prove to myself that it was just a coincidence, I built one more engine with STP. That one stuck the oil pump relief valve open and trashed a crankshaft. Now I wouldn't put STP in a lawn mower with a rod knock!
Jerry

Last edited by Hotrod Lincoln; 01/09/2014 5:49 AM.
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
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