SLANTY BLUES

Combustion
Chamber
63

that cannot be right,,
most stock slants have combustion chambers in the 56 to 58 cc's and you said
the head was milled .040
if the head was milled .040 I would expect to see chambers in the low 50's high 40's

also I have doubts on the .170 piston recession.
most stock slants have pistons around .180 down,
and here to again, you said the block was milled .040

either you have a stock head with oversized chambers and a block that
had a light clean up cut or you input data has errors.

how did you measure the combustion chamber cc's
how did you set the piston at Top Dead Center when you measured piston recession?