Sounds like the head gasket is not sealed properly. Did you torque the head bolts to the right torque
when you installed them? You need to tighten the bolts in several passes starting from the middle and working your way out. Is that how you did it?
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Torqued head down to right specs. Put old head back on as before i took of no1 had 170 comp now it has about 60. Do i need cam and rockers back on to give proper read out on compression.
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