Quote:
Originally Posted by Masterbeatty
What sparked this question? Someone tell you they are different and you would get X amount more HP?
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maybe like the Nismo it has more power and someone told him its in the heads and not the tune.
if i wasnt so scared of a VVEL head id love to port and polish a set. when i installed my lower mani to the heads i could see a clear 1/16th-1/8th bigger head opening then the lower mani. i should of ported the lower mani of course but both could be made a hell of a lot larger and the heads are very rough with casting marks and where two halves mate.