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Thread: ZX3 Black Top
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Old 12-05-2012, 07:50 PM   #4
sdaddy
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Join Date: Oct 2012
Fan#: 105173
Location: El Sobrante, CA
What I Drive: Green 2002 Birkin w/2L Zetec

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Quote:
Originally Posted by 1turbofocus View Post
...sdaddy the only way you will know 100% what the head is gaining would be if you go back with EVERYTHING stock but the port work , stock cams , compression , stock non adj cam gears etc , If your adding compression , cams , adj cam gears thats about 20+ HP gain right there so there would be no way to tell what the head (port work) is doing , interested to see how it does
Tom
Tom, you're right, of course. While my past engine had ITBs, header and adj cam gears, since the C/R and cams are changing at the same time as the head, there's no way to tell the individual impact each has on HP and TQ.
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