To add to Vance's head gasket info: you really can't be sure if the correct
gasket is installed unless you confirm whether you have a recessed block or
not. Just because you have an engine in a '74 TR6 doesn't guarantee that you've
got a recessed block. I'm unaware of a cross-reference between block serial
number and recession. On my '72, the original block was recessed, but my
rebuilt block was not. The rebuilt block was just a few hundred S/N's before
the original recessed one. Go figure.
Also, is the only difference (other than the tab) between the recessed and
non-recessed head gaskets the metal reinforcement ring around the cylinder cut
outs?
Rick O.
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