
10-22-2001, 11:40 PM
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Senior Club Cobra Member
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Join Date: May 2001
Cobra Make, Engine: A CSX Cobra,1966 GT350 and an '06 Ford Heritage GT
Posts: 1,829
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Not Ranked
Sorry to say, it sounds as if you have lost ring seal. TRy to squirt a dash of oil in the cylinder than showed lo compression, spin the motor over 2-3 times and recheck--is your compression back? If so, how long does it last? If you are very lucky, than that cylinder is running too rich and merely lost ringseal (the oil barrier that seals the rings to the cylinder). If you are like me, you lost a ring and will have to pull that piston and put on new rings. SORRY.  Usually a burnt valve will be a regular, hard miss but it's easier to check valves from the bottom half, after you remove the piston. If you dont have a borescope...good luck, and I hope it turns out simple and quick!
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