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Old 06-05-2012, 12:32 PM   #7 (permalink)
California98Civic
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Join Date: Mar 2011
Location: Coastal Southern California
Posts: 6,299

Black and Green - '98 Honda Civic DX Coupe
Team Honda
90 day: 66.42 mpg (US)

Black and Red - '00 Nashbar Custom built eBike
90 day: 3671.43 mpg (US)
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Quote:
Originally Posted by chrisgerman1983 View Post
possibly? but its blowing smoke on startup and it never did before? I just assumed that it cleaned some gunk out that was stopping the seals from leaking? I used it in the intake and the oil, and then did an oil change. Could thinner oil cause leaks?
If right, then the sea foam helped you diagnose a problem needing attention. If wrong, then you have still correctly noticed a leak needing attention. The sea foam was more like a diagnostic tool than cause. I don't imagine the thinness of the oil could cause instant leaking, though maybe long term if it increases wear on parts. I wonder what others with more experience think.

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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.



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