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head ? head ?
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  #1  
Old 10-31-2009, 11:11 PM
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Join Date: Feb 2009
Posts: 108
head ?
on our trucks. haha


whats the lift/specs and compression ratio on npi heads and pi heads...

also are the cams in the npi heads worth salvageing for any reason.

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  #2  
Old 11-01-2009, 09:04 PM
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Join Date: Jan 2009
Vehicle: 2000 Ford F150 7700
Posts: 390
Quote:
Originally Posted by harley9703 View Post
on our trucks. haha


whats the lift/specs and compression ratio on npi heads and pi heads...

also are the cams in the npi heads worth salvageing for any reason.
what year, what engine?
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  #3  
Old 11-08-2009, 02:04 AM
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Posts: 108
4.6 97 npi
4.6 03 pi heads
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  #4  
Old 11-09-2009, 01:39 PM
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Location: Lakeland, FL
Vehicle: 2003 Ford F-150 5.4L 4x4
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the NPI cams aren't of any real value. have you thought about putting some aftermarket cams in your new PI heads? Comp Cams makes some for the 2 valve engines that sound good, and yield excellent torque.
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  #5  
Old 11-09-2009, 05:37 PM
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actually its gonna be just a motor for whatever going turbo on the 4.6 npi setup. might throw it in a single cab or something havent decided
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