head gaskets
put them on dry re torquing i think is always a good idea we do three retq's on everymotor before it's run.I haven't used the heating deal on the cometics.it's very important that the head is straight there are some surfacing broach's that actually bend the head when it's clamped than cut it.I usually check this by putting a dial indicator on the mill head. clamp the head to the table and run it from front to back.Make sure that the mill is running true before this is done.But you might be really suprised at what you find i've seen a freshly surfaced head have as much as .006 dip in it.
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