Re: 1971 GMC smokes but excellent compression

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Posted by Jon H on November 06, 2003 at 18:47:52 from (69.26.18.78):

In Reply to: 1971 GMC smokes but excellent compression posted by Jeremy on November 06, 2003 at 00:00:50:

Make sure you get the latest design red silicone seals from chevrolet. They tried several types before they got it right. I have seen BB chevys go from 300 to 2000 miles per quart just with a valve seal change. They tell me the valve stems on BB chevy engines run very hot,and it takes a good silicone rubber seal to take the heat.

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Re: Re: 1971 GMC smokes but excellent compression Dr.EVIL 08:32:03 11/13/03 (0)

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