o No: New guy on the block please." Help " I've got 1962 skylark 215 4b looking to redo engine soon. But am looking into the 1964 heads for better exhaust flow . Now the big question the 64 aluminum head had to compression ratios available 4b had about 11.2 to1 and the 2b had 9.2 to 1 I've seen heads for sale 4b with stamping 219-b what stamp goes with the 2b heads? Or are they the same and the piston dished ? Does any Know?
