NPI to PI Intake Swap...

Casper98GT · April 29th, 2007, 12:09 PM

yes the PI intake already has ONE tap. You need to either drill and tap, or bring to machine shop with sensor.

Silicone... i used a tube of toyota FIPG. Its oil resistance and coolant.

As for power, i havent dyno'd but i can honestly say i diidnt gain a single tenth in the 1/4. I dont know how its possibly cause this thing pulls wicked in the top end compaired to ealier.

ujslost · April 29th, 2007, 12:11 PM

have you done your cams yet casper?

Casper98GT · April 29th, 2007, 12:15 PM

No and it angers me more and more everyday here in New Hampshire in this CRAP weather. I dont drive in rain. So it sits in my driveway until the nice weather comes.

Im HOPING this weekend. But who knows....Maybe it will snow again.

Hey i got youre PM but you didnt put a thread for me to read there.

ujslost · April 29th, 2007, 12:22 PM

ok pm sent with link now hopefully

and what do you suggest cams or intake first?

Casper98GT · April 30th, 2007, 11:28 AM

either really.

doesnt matter. but i would suggest a dyno tune after both are complete.

MustangMatt96GT · May 1st, 2007, 06:45 PM

Does ford have some sort of silicon I could use or would getting this silicon from Toyota work better? I can get it if I need to I am just wondering so I dont have to make a trip to both dealers! Thanks

Casper98GT · May 2nd, 2007, 04:36 PM

i havent found any ford silicone that i liked. I use the grey stuff on diff covers and such with oil. But nothign for coolant. The toyota stuff i found works well on coolant/oil.

BTW: The Cams are going in on Saturday.

MustangMatt96GT · May 2nd, 2007, 05:14 PM

Casper do you happen to know the part number on the coolant tube? I was just at the dealer and we couldnt find the part! They also did not know the difference between NPI and PI. Thanks! And glad to hear the cams are going in this saturday!

Casper98GT · May 2nd, 2007, 05:37 PM

XR3Z-18B402-AA coolant tube

F75Z-8555-AA coolant tube nipple

Casper98GT · May 2nd, 2007, 05:54 PM

Just got a little info for the PI cams in a rather stocker T-bird with a NPI 4.6....

I picked up 13 rwhp/18 ft-lbs with the cams by themselves.

Also found this dyno print out of some dude with PI cams and PI intake on a NPI car. Mine dyno;d at 188 with no mods.

http://memimage.cardomain.net/member...51_15_full.jpg

Approx 41hp to the wheels, but that with other mods.

'98 GT: '02 PI cams and PI intake, Bassani X w/cats, FRPP SS Catback, Steeda Pullies Tri-Ax and Chrome Moly STB, Densecharger TB pipe, 1.25" rear wheel adapters, Bullitt Shift Knob & Pedals, K&N w/no silencer, Bullitt Springs & Shocks, 3:90 Motive gears w/Trick Flow rear girdle, 180 deg t-stat
SAE HP 229.2 / TQ 276.7

Im at 226 and 302ish right now with cams. I dunno what this guy is doing wrong.

MustangMatt96GT · May 2nd, 2007, 06:46 PM

Thanks so much casper! And do you recommend putting new o rings on my injectors while i am in there? Also do you recommend any other thing that I should replace while I am in there! I have 122K so a few things might be just a little warn!

Casper98GT · May 2nd, 2007, 06:50 PM

yes o-rings

MustangMatt96GT · May 2nd, 2007, 07:08 PM

Another question casper! I am on the phone right now with ford parts and the 99-01 gaskets have a different part number than the 02-04 gaskets! The 02-04 are are 30 a piece and the 99-01 are 15 a piece. Do i have to go with the 02 gaskets since my intake is from a 02? Thanks!

MustangMatt96GT · May 2nd, 2007, 09:59 PM

Sorry for all the questions! But will I need to get a new gasket between the plenum and the intake? Or can I reuse my NPI or use the old PI? Thanks! I dont know what I would do with out you casper!

Casper98GT · May 3rd, 2007, 08:43 AM

Real quick, John ( ujustlost ) The lobe clostest to the cam gear looks to be approx. 55.50mm

Matt - Get the 02 gaskets. I dont see why the intake gasket would be different. But just get the 2002 gaskets to fit youre intake. Also the PI intake has a small blue ring kinda gasket in the intake. Get a new one if the intake is used. If its new it comes with one.

Npi gasket is bulky and black plastic, PI gasket is small thin blue ring type.

http://www.moddedmustangs.com/forums...s-vt23287.html
Check that out

MustangMatt96GT · May 3rd, 2007, 12:52 PM

I dont understand why they would be different, but I will compair the two and see if I see any difference between the 02 gaskets and the 99-01 gasket! Thanks!

Casper98GT · May 3rd, 2007, 01:40 PM

because they have left sides and right sides. 02-04 are same on both sides you just reverse them to make them fit.

MustangMatt96GT · May 3rd, 2007, 06:02 PM

So can I use the 99-01 gaskets if the only difference is that they are left and right and not I fits all?

96GTRagTop · May 3rd, 2007, 10:01 PM

does anyone know where the common places for cracks in the intake manifolds r. I've seen a picture up once or twice but couldn't find it again. My coolant is leaking out of the passenger side rear of the maniold by the firewall. it appears to be leaking where the hose joins the manifold.

MustangMatt96GT · May 3rd, 2007, 10:49 PM

It normally cracks in the front of the motor where the tube that goes from the radiator to the intake. That is why the newer NPI and PI intakes have the aluminum coolant crossover!

April 29th, 2007, 12:11 PM	#82
ujslost MM Fanatic Join Date: Mar 2007 Location: Albertville, AL Posts: 3,847	have you done your cams yet casper? __________________ http://www.moddedmustangs.com/forums/vehicle-classifieds/86839-wtt-90-lx-hatch-red-black-north-alabama.html#post1394801

April 29th, 2007, 12:22 PM	#84
ujslost MM Fanatic Join Date: Mar 2007 Location: Albertville, AL Posts: 3,847	ok pm sent with link now hopefully and what do you suggest cams or intake first? __________________ http://www.moddedmustangs.com/forums/vehicle-classifieds/86839-wtt-90-lx-hatch-red-black-north-alabama.html#post1394801

May 1st, 2007, 06:45 PM	#86
MustangMatt96GT I Post Entirely Way Too Much 1996 Mustang GT 13.023@103.46 @ 5800 FT Join Date: Dec 2006 Location: Lakewood, CO Posts: 7,147	Does ford have some sort of silicon I could use or would getting this silicon from Toyota work better? I can get it if I need to I am just wondering so I dont have to make a trip to both dealers! Thanks __________________ We expect shit to break, look foward to realizing exactly when it is happening, and than obsess about dropping plenty of cash to rebuild stronger, so we can try to run it hard as hell and break again. We are sick individuals.

May 2nd, 2007, 05:14 PM	#88
MustangMatt96GT I Post Entirely Way Too Much 1996 Mustang GT 13.023@103.46 @ 5800 FT Join Date: Dec 2006 Location: Lakewood, CO Posts: 7,147	Casper do you happen to know the part number on the coolant tube? I was just at the dealer and we couldnt find the part! They also did not know the difference between NPI and PI. Thanks! And glad to hear the cams are going in this saturday! __________________ We expect shit to break, look foward to realizing exactly when it is happening, and than obsess about dropping plenty of cash to rebuild stronger, so we can try to run it hard as hell and break again. We are sick individuals.

May 2nd, 2007, 06:46 PM	#91
MustangMatt96GT I Post Entirely Way Too Much 1996 Mustang GT 13.023@103.46 @ 5800 FT Join Date: Dec 2006 Location: Lakewood, CO Posts: 7,147	Thanks so much casper! And do you recommend putting new o rings on my injectors while i am in there? Also do you recommend any other thing that I should replace while I am in there! I have 122K so a few things might be just a little warn! __________________ We expect shit to break, look foward to realizing exactly when it is happening, and than obsess about dropping plenty of cash to rebuild stronger, so we can try to run it hard as hell and break again. We are sick individuals.

May 2nd, 2007, 07:08 PM	#93
MustangMatt96GT I Post Entirely Way Too Much 1996 Mustang GT 13.023@103.46 @ 5800 FT Join Date: Dec 2006 Location: Lakewood, CO Posts: 7,147	Another question casper! I am on the phone right now with ford parts and the 99-01 gaskets have a different part number than the 02-04 gaskets! The 02-04 are are 30 a piece and the 99-01 are 15 a piece. Do i have to go with the 02 gaskets since my intake is from a 02? Thanks! __________________ We expect shit to break, look foward to realizing exactly when it is happening, and than obsess about dropping plenty of cash to rebuild stronger, so we can try to run it hard as hell and break again. We are sick individuals.

May 2nd, 2007, 09:59 PM	#94
MustangMatt96GT I Post Entirely Way Too Much 1996 Mustang GT 13.023@103.46 @ 5800 FT Join Date: Dec 2006 Location: Lakewood, CO Posts: 7,147	Sorry for all the questions! But will I need to get a new gasket between the plenum and the intake? Or can I reuse my NPI or use the old PI? Thanks! I dont know what I would do with out you casper! __________________ We expect shit to break, look foward to realizing exactly when it is happening, and than obsess about dropping plenty of cash to rebuild stronger, so we can try to run it hard as hell and break again. We are sick individuals.

May 3rd, 2007, 12:52 PM	#96
MustangMatt96GT I Post Entirely Way Too Much 1996 Mustang GT 13.023@103.46 @ 5800 FT Join Date: Dec 2006 Location: Lakewood, CO Posts: 7,147	I dont understand why they would be different, but I will compair the two and see if I see any difference between the 02 gaskets and the 99-01 gasket! Thanks! __________________ We expect shit to break, look foward to realizing exactly when it is happening, and than obsess about dropping plenty of cash to rebuild stronger, so we can try to run it hard as hell and break again. We are sick individuals.

May 3rd, 2007, 06:02 PM	#98
MustangMatt96GT I Post Entirely Way Too Much 1996 Mustang GT 13.023@103.46 @ 5800 FT Join Date: Dec 2006 Location: Lakewood, CO Posts: 7,147	So can I use the 99-01 gaskets if the only difference is that they are left and right and not I fits all? __________________ We expect shit to break, look foward to realizing exactly when it is happening, and than obsess about dropping plenty of cash to rebuild stronger, so we can try to run it hard as hell and break again. We are sick individuals.

May 3rd, 2007, 10:01 PM	#99
96GTRagTop I Post Entirely Way Too Much 1996 GT VERT PI at <3 Tell HMUSN he'll never catch me!!! Join Date: Mar 2007 Location: "How does this thing work?"*BOOM*"Holy shit!!!, i just killed Zip!!! Posts: 6,209	does anyone know where the common places for cracks in the intake manifolds r. I've seen a picture up once or twice but couldn't find it again. My coolant is leaking out of the passenger side rear of the maniold by the firewall. it appears to be leaking where the hose joins the manifold. __________________ Don't thank us, Rep Us

May 3rd, 2007, 10:49 PM	#100
MustangMatt96GT I Post Entirely Way Too Much 1996 Mustang GT 13.023@103.46 @ 5800 FT Join Date: Dec 2006 Location: Lakewood, CO Posts: 7,147	It normally cracks in the front of the motor where the tube that goes from the radiator to the intake. That is why the newer NPI and PI intakes have the aluminum coolant crossover! __________________ We expect shit to break, look foward to realizing exactly when it is happening, and than obsess about dropping plenty of cash to rebuild stronger, so we can try to run it hard as hell and break again. We are sick individuals.

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