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Posted by George (AB) on Friday, August 14, 2009 at 02:20:26 :
In Reply to: Old time carbon removal posted by David Sherman on Friday, August 14, 2009 at 02:11:57 :
It is true I have done it as you say and also at highway speeds sometimes alternating between sticking the vaccum hose in oil then water. mostly on high compression (pinging) engines and usually after valve seals were replaced.