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Registered
Join Date: Jun 2000
Location: bottom left corner of the world
Posts: 22,915
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I don't use additives in a healthy engine.
But I bought a Honda Civic of a young lady who advertised it as having a worn out smoky engine. I left it idling for a few minutes, reved it, then made her a crazy low offer. I gave it two oil changes and then two cans of slick 50. Wow, I don't think it smoked at all for the next four years that I owned it.
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