How to tell if car is NPI or PI GT???

MyBloodRunsBlue · Apr 7, 2007

I have a 2001 Mustang GT and I heard that some of the 2001's were NPI and some were PI...how can I find out which one mine is?...Thanks for any help

Tim2002GT · Apr 7, 2007

MyBloodRunsBlue said:
I have a 2001 Mustang GT and I heard that some of the 2001's were NPI and some were PI...how can I find out which one mine is?...Thanks for any help

Judging by your power #'s, your definately PI! NPI's were 96-98's and PI's were 99-04's.

BurningRubber · Apr 7, 2007

Anything 99-04 is PI.

What they were probaly talking about is the intake manifold. 99-mid 01 had the same crappy plastic coolant crossover as the non-pi 96-98 GT's did, but it was still a PI manifold.

If thats what you are reffering to then just pop the hood and look at the thermostat housing. If its sitting on aluminum and not plastic you are good to go. If its still the plastic one then its going to crack sooner or later.

four six · Apr 7, 2007

If its fast PI if its slow NPI

MyBloodRunsBlue · Apr 7, 2007

where can i get the aluminum piece that sits on the thermostat housing?? how much also?

96BlueStangGT · Apr 7, 2007

You'll have to buy the whole new intake for about $180 if you want the aluminum crossover.

TGJ · Apr 8, 2007

MyBloodRunsBlue said:
I have a 2001 Mustang GT and I heard that some of the 2001's were NPI and some were PI...how can I find out which one mine is?...Thanks for any help

99+ Mustang GT's were PI, 01+ Crown Vics were PI. 98- Mustang GT's and 00- Crown Vic's were NPI.

droid#83853 · Apr 8, 2007

If you have power adders than you have PIe³.

MyBloodRunsBlue · Apr 8, 2007

so my 2001 gt is def. a PI motor? and if i have the plastic crossover piece should i even worry about getting the aluminum crossover???

Mike97gt · Apr 8, 2007

MyBloodRunsBlue said:
so my 2001 gt is def. a PI motor? and if i have the plastic crossover piece should i even worry about getting the aluminum crossover???

at some point the plastic one will start to leak.. but I am 10000000 percent sure your car is PI

Many people get confused by the fact that ford made PI plastic crossover intakes 99-mid01 my old 2001 had the plastic one and I changed it.

ZakeriD · Apr 8, 2007

four six said:
If its fast PI if its slow NPI

My 99 is slow... and it should be pi.

thomas91169 · Apr 8, 2007

MyBloodRunsBlue said:
so my 2001 gt is def. a PI motor?

yes, all 99-04 GT's have the PI head/cam combo.

and the crossover, dont worry about it. if it aint broke, dont fix it 90k on my plastics, no cracking.

streetstang03 · Apr 8, 2007

MyBloodRunsBlue said:
so my 2001 gt is def. a PI motor?

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How to tell if car is NPI or PI GT???

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