i took the heads in today, they are the 75cc heads with the .1250 domed pistions. virtual engine calculator said it would be bout 9.45:1 and the guy at the machine shop said i should use a thumper cam with some z28 springs.
and i want to sell those camelhump heads casting #3782461 62cc chamber. can somebody tell me what they are worth
thanks and i appreciate all the help from everyone