the heads not cracked, has a fresh resurface and all the valves r sitting right. y would it be the head? would oil quirters make this happen? im using 3 b18c1 and 1 b17 oil quirters. u dont think its the rings? something that has to do with the block? or something not as tight as it should i also have arp head studs with 3 torque stages at 30 60 80. headgaskey not sealing proper? also using a advanced head gasket. its a new kind they came out with. its blue...