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311 Posts
who makes the best port polished, extrude horned big valve head for the MK3 OBD2 VR6.??preferably somewhere on the east coast. and what kind of numbers should i expect for air velocity and air volume when its hooked up to the bench flow? would it be a good idea to have the valves blue printed and balanced?? and lastly, what other things need to be changed when removing the head??. hydrolic lifters?? i want to match it up with 268 and intake manifold, what are possible power gains?. thanks