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...I get #1-120, #2-60, #3-90, #4-90....I should have 164 in each cylinder.

DId you test with the throttle wide open? TO reach 164..which by the way would be over 12 compression ratio (???) it would need a full gulp of air and anyway, at low rpm, theoretical ratio will probably never be reached....
120 is 9.16 compression ratio....