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low compression help

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spoolinawd91

15+ Year Contributor
40
0
Jan 10, 2005
Mt. Washington, Kentucky
My car was running like crap and I did a compression test and I got 160, 160,160,90 (put some oil in and compression only went to 100). The car had lots of extra pressure in the coolant system. So I think headgasket. So I replace the stock headgasket with a mistu mls one and had the head milled. the pistons looked good the one with low compression had lots of carbon build up but fine other than that. So after the headgasket goes on it gets worse. The compression goes to 145,145,145,0. Can someone point me in the right direction on what to do or check now?
 
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