Re: Prolong, Duralube or Motor-up

Posted by E. Pitts on July 20, 1998 at 16:47:35

In Reply to: Prolong, Duralube or Motor-up
posted by DEV on July 20, 1998 at 09:29:12

:I have an inserted engine. Have had Prolong in for 600+ miles which includes a 500 mile road trip at 55-60 mph. Just recently pulled the sparkplugs and hand cranked the engine over....there is a difference.

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