Originally Posted by
petevette
I don't know much about the 3 ports, but I don't think they will run with the Turbo heads. Someone please correct me if I am wrong. Not sure if the race spec 3 port is turbo or not, but doubt the sport will run with a turbo head on it.
petevette i have ran the 3 port sport with a turbo button head on it and ran nice was really aggressive on bottom but lacked a little on the top thnx will g