what is the estimated time for head gasket replacement on a sm blk chev

1967 CHEVROLET TRUCK
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STEELRAT60
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both sides. It has low compression in cylinders 5 and 7, air check shows leakage past the valves
Oct 4, 2011 at 7:55 PM
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ASEMASTER6371
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not head gaskets but burned valves.
anyway, valve job is 400, 200 per side and you need to do both as to not end up with lopsided compression.
labor is 9 hours. gaskets are about 90
oil change, coolant flush and thermostat need changing too.

Roy
Oct 4, 2011 at 8:02 PM