pi -vs- npi identifying

wolvee123

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I think the last owner of my stang may have done a intake swap but I dont know how to tell the difference between PI and NPI... The GT seems like it has a lot more power than the 215 stock hp from the factory....

Hey everyone this is my first post so dont blast me if I posted in the wrong area!

How do I tell which intake is on my stang and is there any way to tell the diff on the heads? thanks
wolvee

p.s. second time posting I hope this is the right place to post this ?...
 

98GTSTANG

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Look along the right top side of your intake, and if it has this number: M738E, it is a NPI intake more than likely. Also, look into your valley below the intake, the PI intake will basically touch your block. The NPI wont even come close. I had all the same questions when I bought mine. Good luck.
 

Dalamar

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Doesn't the PI have an aluminum coolant crossover, and the Non is plastic?
 

98GTSTANG

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Dalamar said:
Doesn't the PI have an aluminum coolant crossover, and the Non is plastic?

I may be wrong, but I think when Ford started replacing the faulty intakes on NPI cars they also came with an aluminum crossover. Plus, I think I have seen them on ebay before.
 

DropTopPony

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Dalamar said:
Doesn't the PI have an aluminum coolant crossover, and the Non is plastic?

They didn't start using the aluminum crossover until 2001 so there are PI's that are all plastic.

A good way to tell is to look at the intake from the top/front. If the very first runner after the Coolant crossover goes to the passenger side (left) its an NPI Intake. If it goes to the drivers side (right) It a PI Intake.
 

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