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Re: 1997 Possible HG Failure
Since it holds pressure, I would bet this car had a UIM go and it hydrolocked due to coolant getting sucked into the cylinder. This can bend a connecting rod because coolant can't be compressed like air, which in turn will enlarge the cumbustion chamber (as the piston no longer comes up as high in the cylinder) and lower static compression. This is a pretty common occurance when people let the UIM issue go to long, especially in 96-97 engines. It's usually cyl 5 or 6 (as they are closest to the throttle body) but not always.
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Still waiting for the "good old days" I'll get to bore my future grandchildren with!
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