Thread: what is a burnt valve?

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Originally Posted by robot

Instead of a towel, I was taught to do the test on the exhaust pipe with a dollar bill....if it always blew away from the end of the pipe, the valves were OK, but if it sucked the dollar against the end of the pipe, that meant that it was going to suck many dollar bills out of your pocket.

Thanks for that advice. You guys have a lot of info about tail pipe (well in the past ) . But thanks anyway, will keep these info in mind.