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Old 01-23-2012, 07:57 PM   #3
JumboAMONGus
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Join Date: Jun 2010
Location: WA.
Posts: 436
Re: ID Restorer? 50 GMC P/U Near Washington MO abt 1990

i run new gas in old cars and never had a problem ..now if your gonna run like 30thousand miles a year ,,then you might want to change the valve seats ,,sometimes you can pull the exhaust manifold off and see in there with a flash light on a sunny day ,
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