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Old 02-07-2007, 06:56 PM   #4
blue00gt
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Location: McKinney, TX
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Default Re: 1998 Mustang Cobra Engine Work Question?

Quote:
Originally Posted by bmxmon View Post
I really dont know much about the 4.6's, but from what i've heard its best to upgrade the 96-98 4.6's to the 99 and up heads. (PI??) I really have no idea if perhaps you do have (or equivalent) those heads since it is a cobra.
PI stuff is for 2V motors, not 4V like the Cobra has.
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