Posted by M37MARK [68.187.241.71] on Thursday, June 12, 2014 at 06:58:19 :
In Reply to: Re: O.T. Sudden loss of compression posted by Kaegi [98.247.164.246] on Wednesday, June 11, 2014 at 20:52:43 :
The valves are held open by carbon on back side of valve. Pour GM Top Eng Cleaner slowly into intake while cranking eng.
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