> Clean the sealing surfaces really well and check the liner
> protrusion - put a straight edge across the liner and use a feeler
> gauge to see how much they stand proud of the rest of the block. You
> want a little protrusion but no more than say 0.005".
Since you are having problems, be sure to check on both sides! I fought
head gasket problems for years on my street TR3A (with a TR3 motor) that
turned out to be caused by the deck not being square to the liner bores.
Protrusion was fine on the side I always checked, but less than .001" on the
other side!
Although not the best solution, adding .020" copper O-rings to the head
gasket around each cylinder made a suitable band-aid for the problem. I
drove it that way for quite a few years, and it was still not leaking when
the car got wrecked. I used 'electrical' tin/lead rosin core solder to tack
the copper wire to the gasket; but Ken G's suggestion of super glue would
probably work just as well.
Randall
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