P.I. heads

grimreaper_72

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Got a chance for a set of 05 crown vic P71 heads for $200 bucks these should work on my 96 gt fine correct?

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DropTopPony

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Those should be the good PI heads with additional spark plug threads.
 
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so adding to the pi head conversation i have a npi motor build underway and am putting pi heads why can i not find info about valve distance or how much the pistons need to be dished
 
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This is with an aftermarket cam set if you thought i was referring to stock. So basically the question is what is the best aftermarket cam for a npi motor with pi heads and npi pistons
 

96blak54

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Do yourself a favor, just go ahead and intake valve relief the pistons. Then you wont have to worry with clearance with any cam. Most cams can get away with about a .060" relief.

You could deck your npi heads at just about any amount and still run a nasty cam without reliefs. Remember, its the compression bump, cam, and intake swap that makes the pi swap desirable.
 

wmfateam

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Modular Head Shop has some information on there cams in regards to how much lift/duration is on certain cams and which set ups may require piston notching and may have piston clearing issues.

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Sweet thanks guys im taking on a project motor and am thinking TEA-PI2VF heads, Comp Xe274H cams, Accufab 75mm elbow and throttle body, Hooker Super Comp Headers and have yet to uncover what i need as far as management and ecu needs. But hopefully the crank, pistons and the block are in decent shape and i wont have to buy to many expensive parts (college budget)......
 

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