Quote:
Originally Posted by Tim Ayers
Are the Time Sert inserts closed at the bottom? Hard to tell from the picts.
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Yes Tim . . . they are completely closed off at the bottom, which totally seals off the combustion chamber - increasing gas mileage and reducing the need for any spark plugs at all!
Just kidding yah - couldn't help it!
LOL Not sure what you're asking, but they are a threaded sleeve with a plug gasket sealing surface at the top. Is that what you mean?