NON PI HELP...CAN IT BE BUILT WELL

2000gt_vert · January 13th, 2012, 04:31 PM

HEY GUYS IM ON A NEW PROJECT, THE NON PI MUSTANG. I WAS READING SOME ARTICLES ABOUT NON PI HEADED CARS WITH CAMS AND BOLT ON MAKING 270HP. I KNOW PORTED NPI HEADS CAN FLOW REALLY WELL, OR EVEN JUST CLEANING THEM UP. WITH MY LIMITED CASH ON THIS PROJECT I WANT TO KEEP THE NPI HEADS, AND LEAVE THEM ALONE, NOW I NEED TO KNOW WHAT I WOULD NEED TO DO TO PUT A BEEFY AFTERMARKET CAM IN IT, PI DERIVED OR NON PI SPECIFIC CAMS, WHICH CAM WOULD BE BEST, AND WHAT WOULD NEED TO BE DONE FOR THE NPI HEADS TO ACCEPT THE BIGGER CAMS. AND IS THE PI INTAKE GOOD OR SOME AFTERMARKET INTAKE, THANKS ALOT ANY INFO IS NEEDED. THANKS AGAIN.

BigSmith · January 13th, 2012, 06:16 PM

Originally Posted by 2000gt_vert

HEY GUYS IM ON A NEW PROJECT, THE NON PI MUSTANG. I WAS READING SOME ARTICLES ABOUT NON PI HEADED CARS WITH CAMS AND BOLT ON MAKING 270HP. I KNOW PORTED NPI HEADS CAN FLOW REALLY WELL, OR EVEN JUST CLEANING THEM UP. WITH MY LIMITED CASH ON THIS PROJECT I WANT TO KEEP THE NPI HEADS, AND LEAVE THEM ALONE, NOW I NEED TO KNOW WHAT I WOULD NEED TO DO TO PUT A BEEFY AFTERMARKET CAM IN IT, PI DERIVED OR NON PI SPECIFIC CAMS, WHICH CAM WOULD BE BEST, AND WHAT WOULD NEED TO BE DONE FOR THE NPI HEADS TO ACCEPT THE BIGGER CAMS. AND IS THE PI INTAKE GOOD OR SOME AFTERMARKET INTAKE, THANKS ALOT ANY INFO IS NEEDED. THANKS AGAIN.

The PI intake swap is awesome do that for sure and with the cams and alot of bolt ons you might see 270.. maybe. That is only if you use An aftermarket Cam. Comp sells one that will work in the NPI head with new Cam bolts. But unless you want to do valvesprings and go big you aren't going to see much power out of them.

Theres a few articles on this forum on how to do the cam and intake swaps. But to put into perspective the uselessness of NPI heads Musclemustangs and fast fords tried to get 300rwhp out of a NPI mustang.
You are probably going to have to get the heads ported and im thinking finding a set of Pi heads would be cheaper!

1996 Ford Mustang GT - Project Red Headed Step Child - Muscle Mustangs & Fast Fords Magazine

2000gt_vert · January 13th, 2012, 06:35 PM

thanks man, i plan on valve springs, and that article showed comp 262 cams, i plan on using trickflow 275 cams, with much higher lift and duration. and if im not mistaken the non pi heads allow more clearance between piston and valves, and i would not have to dish pistons. i could be wrong but all the articles i have read guys were seeing 270+ hp at wheels with large cams and bolt ons like headers, intake CAI. ill post the articles about the npi motors i found.

projectGT · January 13th, 2012, 06:42 PM

ALL CAPS SHOWS INTENSITY FOR MUSTANGS

2000gt_vert · January 13th, 2012, 06:48 PM

thanks again, i plan on valve springs and a bigger cam, i want to know what is needed to be done to use a pi type of can in npi heads i heard it can be done.

BigSmith · January 14th, 2012, 11:45 AM

Originally Posted by 2000gt_vert

thanks again, i plan on valve springs and a bigger cam, i want to know what is needed to be done to use a pi type of can in npi heads i heard it can be done.

Yep im pretty sure all you need is different Cam bolts. I could be mistaken though.

97S281 · January 14th, 2012, 01:31 PM

Your definately going to need a better intake than the npi. Look sor an svo / zeus intake if your dead set on sticking with the npi heads. A stock pi intake would even be worlds better than the stock npi.

1996 GT · January 14th, 2012, 03:51 PM

Just buy a PI intake off AM, they're relativity cheap. Unless you're building it stick with a stage one. You will need adjustable cam gears and new bolts. If you go any larger you will need to springs and retainers. If you want a stage two or three to work to maximum advantage you will need to notch your pistons also. Unless you retard your timing far enough back, but at that point you're defeating the whole point of going with a stage two.

BigSmith · January 15th, 2012, 01:23 AM

Originally Posted by 97S281

Your definately going to need a better intake than the npi. Look sor an svo / zeus intake if your dead set on sticking with the npi heads. A stock pi intake would even be worlds better than the stock npi.

+1 on the PI intake. Really lets the car breath after 4500 rpm, great upgrade! Cheap to.

2000gt_vert · January 16th, 2012, 07:46 PM

thanks guys, also what is the biggest cam i could go with without notching pistons, not worried about retainers and what not ill take care of that, this is what i was reading

NickMckinney " Just got back a run on with basically a stock NPI motor with PI intake, offroad X, shorty headers, loudmouth catback, C&L plenum, and CAI on these small specs (in a Mustang)":
222/226 duration at 050
525/500 lift
108/114 centerlines
111LSA
Found this over at TCCoA, was posted in October. I wanna know more about this. :thumbsup:
273 hp with just bolt ons, a pi intake, and stock npi heads?? hell yes!! Hope this is a sign of things to come for NA NPI motors.

2000gt_vert · January 16th, 2012, 07:48 PM

is this true, or this a pile of bull S**t

1996 GT · January 16th, 2012, 10:09 PM

You can run a Stage One no issues, but once you hit a stage two you will start to have to notch, unless you retard your timing very far back that is. Then you're kind of defeating the purpose at that point

JK7208 · January 18th, 2012, 03:24 PM

278rwhp/295rwtq with a PI head swap (stock pi cams) full bolt ons

sn95mustanggt · January 18th, 2012, 07:39 PM

hmmmmmmmmmmm wheres the link?????

sn95mustanggt · January 18th, 2012, 07:40 PM

Here it is!

98 gt NPI 11.93@115 - YouTube

Blackwid0wXR7 · January 18th, 2012, 07:45 PM

Originally Posted by 2000gt_vert

is this true, or this a pile of bull S**t

Nick McKinney is one of the most reputable and most bad@$$ modular motor builders around. He knows his stuff.

January 13th, 2012, 04:31 PM	#1
2000gt_vert Newbie Join Date: Feb 2011 Posts: 14 iTrader: 0 reviews	NON PI HELP...CAN IT BE BUILT WELL HEY GUYS IM ON A NEW PROJECT, THE NON PI MUSTANG. I WAS READING SOME ARTICLES ABOUT NON PI HEADED CARS WITH CAMS AND BOLT ON MAKING 270HP. I KNOW PORTED NPI HEADS CAN FLOW REALLY WELL, OR EVEN JUST CLEANING THEM UP. WITH MY LIMITED CASH ON THIS PROJECT I WANT TO KEEP THE NPI HEADS, AND LEAVE THEM ALONE, NOW I NEED TO KNOW WHAT I WOULD NEED TO DO TO PUT A BEEFY AFTERMARKET CAM IN IT, PI DERIVED OR NON PI SPECIFIC CAMS, WHICH CAM WOULD BE BEST, AND WHAT WOULD NEED TO BE DONE FOR THE NPI HEADS TO ACCEPT THE BIGGER CAMS. AND IS THE PI INTAKE GOOD OR SOME AFTERMARKET INTAKE, THANKS ALOT ANY INFO IS NEEDED. THANKS AGAIN.

January 14th, 2012, 01:31 PM	#7
97S281 Rollin' 18/ pushin' 2 1997 Saleen S281 Join Date: Feb 2007 Location: The lost highway Posts: 6,673 iTrader: 13 reviews	Your definately going to need a better intake than the npi. Look sor an svo / zeus intake if your dead set on sticking with the npi heads. A stock pi intake would even be worlds better than the stock npi. __________________ MODS IN GARAGE NCMM ORIGINAL BLOWN 96-98 CREW MEMBER # 1

January 18th, 2012, 03:24 PM	#13
JK7208 Regular 1996 mustang gt 13.07@104.66 Join Date: Oct 2009 Location: frackville, pa Posts: 126 iTrader: 0 reviews	278rwhp/295rwtq with a PI head swap (stock pi cams) full bolt ons __________________ 1996 GT 5-SPEED PI SWAP Trick Flow 75mm TB/PL BBK CAI, UDP, Mac Longtubes and offroad Prochamber SCT tuner Seeda Triax Short Throw Shifter 3.73 Ford Racing gears 278rwhp/295rwtq

January 18th, 2012, 07:39 PM	#14
sn95mustanggt Enthusiast 98 GT, 93 Ranger! Join Date: May 2009 Location: NEBRASKA Posts: 832 iTrader: 2 reviews	hmmmmmmmmmmm wheres the link????? __________________ 1998 Mustang GT-S/C Teksid in the works 1999 Mazda b3000- DD 05 Rancher - 4x4 07 zx6r 2009 Kfx450r yz 125 98 banshee- for sale

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January 13th, 2012, 06:35 PM	#3
2000gt_vert Newbie Join Date: Feb 2011 Posts: 14 iTrader: 0 reviews	thanks man, i plan on valve springs, and that article showed comp 262 cams, i plan on using trickflow 275 cams, with much higher lift and duration. and if im not mistaken the non pi heads allow more clearance between piston and valves, and i would not have to dish pistons. i could be wrong but all the articles i have read guys were seeing 270+ hp at wheels with large cams and bolt ons like headers, intake CAI. ill post the articles about the npi motors i found.

January 13th, 2012, 06:42 PM	#4
projectGT Regular 1996 mustang GT Join Date: Mar 2011 Location: vandenberg afb, ca Posts: 357 iTrader: 1 reviews	ALL CAPS SHOWS INTENSITY FOR MUSTANGS

January 13th, 2012, 06:48 PM	#5
2000gt_vert Newbie Join Date: Feb 2011 Posts: 14 iTrader: 0 reviews	thanks again, i plan on valve springs and a bigger cam, i want to know what is needed to be done to use a pi type of can in npi heads i heard it can be done.

January 14th, 2012, 03:51 PM	#8
1996 GT Traction...? 1996 GT/ 2008 GT Vert Join Date: Nov 2010 Location: Canada Posts: 2,207 iTrader: 0 reviews	Just buy a PI intake off AM, they're relativity cheap. Unless you're building it stick with a stage one. You will need adjustable cam gears and new bolts. If you go any larger you will need to springs and retainers. If you want a stage two or three to work to maximum advantage you will need to notch your pistons also. Unless you retard your timing far enough back, but at that point you're defeating the whole point of going with a stage two.

January 16th, 2012, 07:46 PM	#10
2000gt_vert Newbie Join Date: Feb 2011 Posts: 14 iTrader: 0 reviews	thanks guys, also what is the biggest cam i could go with without notching pistons, not worried about retainers and what not ill take care of that, this is what i was reading NickMckinney " Just got back a run on with basically a stock NPI motor with PI intake, offroad X, shorty headers, loudmouth catback, C&L plenum, and CAI on these small specs (in a Mustang)": 222/226 duration at 050 525/500 lift 108/114 centerlines 111LSA Found this over at TCCoA, was posted in October. I wanna know more about this. :thumbsup: 273 hp with just bolt ons, a pi intake, and stock npi heads?? hell yes!! Hope this is a sign of things to come for NA NPI motors.

January 16th, 2012, 07:48 PM	#11
2000gt_vert Newbie Join Date: Feb 2011 Posts: 14 iTrader: 0 reviews	is this true, or this a pile of bull S**t

January 16th, 2012, 10:09 PM	#12
1996 GT Traction...? 1996 GT/ 2008 GT Vert Join Date: Nov 2010 Location: Canada Posts: 2,207 iTrader: 0 reviews	You can run a Stage One no issues, but once you hit a stage two you will start to have to notch, unless you retard your timing very far back that is. Then you're kind of defeating the purpose at that point

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