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Intake Manifold Fitment Question

  • Thread starter Thread starter MPScott1
  • Start date Start date Apr 26, 2015
M

MPScott1

Member
Mar 24, 2009
94
1
8
Port St Lucie, FL
Apr 26, 2015
#1
  • Apr 26, 2015
  • #1
I have a 2000 GT, i recently got an intake manifold off of a 97 GT. It is an aftermarket one with the aluminum crossover. I am wondering if that intake will work and fit properly on my 2000. I know they both have the 4.6L engine, but i'm not sure about the specifics. Any info will help. Thanks in advance.
 

wmburns

SN Certified Technician
Aug 14, 2009
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204
Houston Texas
Apr 27, 2015
#2
  • Apr 27, 2015
  • #2
Short answer. NO!!!!

The 98 and older is non-PI. The 2000+ is PI. The shape of the intake ports are different. The non-PI is tear drop shaped. The PI is more square.
 
Last edited: Apr 27, 2015

Gearbanger 101

Straight Outta Locash
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Aug 10, 2002
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Apr 27, 2015
#3
  • Apr 27, 2015
  • #3
More importantly.....if you did manage to get the NPI intake on without leaking, you'll notice a big drop in performance. The PI intake is good for 20+hp over the NPI unit.
 

EVIL99GT

Member
Apr 23, 2015
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1
13
Apr 27, 2015
#4
  • Apr 27, 2015
  • #4
Dumb question? Is the aluminum cross over a pi intake? Or did they make a aluminum crossover in non pi also?
 

wmburns

SN Certified Technician
Aug 14, 2009
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Apr 27, 2015
#5
  • Apr 27, 2015
  • #5
EVIL99GT said:
Or did they make a aluminum crossover in non pi also?
Click to expand...
Yes. You can't use the aluminum crossover as a determining factor. The only thing that the aluminum crossover tells you is that it's of more recent manf.
 
Reactions: EVIL99GT
M

MPScott1

Member
Mar 24, 2009
94
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8
Port St Lucie, FL
Apr 28, 2015
#6
  • Apr 28, 2015
  • #6
Thanks for the info. Here is a pic of the one that i have that came off of a 97 GT. Let me know what you think if it is a PI or NPI, and if you think it would work on my 00 GT.
 

EVIL99GT

Member
Apr 23, 2015
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Apr 28, 2015
#7
  • Apr 28, 2015
  • #7
Looks like npi
 
M

MPScott1

Member
Mar 24, 2009
94
1
8
Port St Lucie, FL
Apr 29, 2015
#8
  • Apr 29, 2015
  • #8
Thanks. Now to decide whether to go with the ole Dorman or the Ford Racing intake. Thanks for all the input an help.
 
Reactions: EVIL99GT

trombonedemon

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Apr 29, 2015
#9
  • Apr 29, 2015
  • #9
Spend the extra cash and get a metal intake, those plastic lower-intakes still leak. That was my correct speculation when Ford motor company did patch job on the intake, that was basically what the coolant cross-over was. Those metal intakes will outlive its usefulness and most people in retrospect.
 
M

MPScott1

Member
Mar 24, 2009
94
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8
Port St Lucie, FL
Apr 29, 2015
#10
  • Apr 29, 2015
  • #10
trombonedemon said:
Spend the extra cash and get a metal intake, those plastic lower-intakes still leak. That was my correct speculation when Ford motor company did patch job on the intake, that was basically what the coolant cross-over was. Those metal intakes will outlive its usefulness and most people in retrospect.
Click to expand...

i would like to get an all aluminum one, but on a budget right now, so just need something to install for now since mine has a crack that is getting bigger and will leak pretty soon.
 

trombonedemon

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#11
  • Apr 29, 2015
  • #11
MPScott1 said:
i would like to get an all aluminum one, but on a budget right now, so just need something to install for now since mine has a crack that is getting bigger and will leak pretty soon.
Click to expand...
No doubt, that's what I had to do.
 

Gearbanger 101

Straight Outta Locash
20+ Year Stangneter
Aug 10, 2002
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Ontario, Canada
Apr 29, 2015
#12
  • Apr 29, 2015
  • #12
Buy an OE late model PI intake with the aluminum crossover. The Dorman unit it crap. Smaller ports, poor fitment. I remember seeing a comparison between the Dorman and the Ford intakes one time and it was awful
 

trombonedemon

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#13
  • Apr 29, 2015
  • #13
Gearbanger 101 said:
Buy an OE late model PI intake with the aluminum crossover. The Dorman unit it crap. Smaller ports, poor fitment. I remember seeing a comparison between the Dorman and the Ford intakes one time and it was awful
Click to expand...
And almost cost as much as the Ford Racing Products.
 

1987stangman

Member
Jul 12, 2006
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May 3, 2015
#14
  • May 3, 2015
  • #14
What everyone else said. The Dorman is designed to fit both PI and npi engines and will hurt overall engine performance. Get the ffrp unit that comes with the aluminum xover your also going to have to get a new alternator bracket, at least i did when I bought my frpp replacement
 

ultrawhiteSN95

New Member
Dec 20, 2014
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May 16, 2015
#15
  • May 16, 2015
  • #15
The dorman intakes will not hurt your motor lol , the Dorman intake is made for that motor , what the dorman will do is nothing as far as performance , the ford racing pi intake will add 14 more horsepower then the dorman pi intake , so go with the ford racing pi intake or a after market intake , Ford starting making the Pi heads and intake in 1999
plus some non pi intakes have the aluminum crossover also
 

1987stangman

Member
Jul 12, 2006
684
24
19
May 19, 2015
#16
  • May 19, 2015
  • #16
ultrawhiteSN95 said:
The dorman intakes will not hurt your motor lol , the Dorman intake is made for that motor , what the dorman will do is nothing as far as performance , the ford racing pi intake will add 14 more horsepower then the dorman pi intake , so go with the ford racing pi intake or a after market intake , Ford starting making the Pi heads and intake in 1999
plus some non pi intakes have the aluminum crossover also
Click to expand...

Have you ever sat the dorman intake side by side with a stock PI? I used the FRPP intake to replace the one on my 2000 no way that thing is good for 14 HP.
 

mransr

Founding Member
Nov 3, 2000
1,188
36
98
Riverside, SoCal
May 20, 2015
#17
  • May 20, 2015
  • #17
The Dorman intake is a cheap knock-off with many, many documented fitment issues. DON'T use it on a PI engine.
 

ultrawhiteSN95

New Member
Dec 20, 2014
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May 20, 2015
#18
  • May 20, 2015
  • #18
Trust me it does , the 97 non pi motors had 215 horse , and the 1999 mustang gts with pi heads and pi intake went had 260 to 265 horse power , if the power heads add 30 to 35 horse power and the intake itself makes roughly 10 to 15 horse power extra

265hp - 215hp = 45hp gain so 40 to 45 horsepower gain

The heads gain 30 to 35 hp gain
the intake 10 to 15 horsepower gain that's
were you get from 215 to 225 hp to 260 to 265 horsepower
 
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