Question: are people using out of the box heads or upgrading the valves? I've herd both?
I'm going turbo and if its necessary I'll do the valves but if not I'm going to leave them stock I see people doing it all the time but with the $$ I'm spending I want to be aure
I'm going turbo and if its necessary I'll do the valves but if not I'm going to leave them stock I see people doing it all the time but with the $$ I'm spending I want to be aure