New heads or intake manifold

I hate Rice · 08-23-2001, 05:42 PM

I have a 97 gt that I needs to be built up. I am going to have it be all natural with no power adders and right now I have to choose between new heads or a new intake manifold. Which ones would benifit me the most and what kind should I try to buy or salvage. Thanks. Also any other great natural mods would be appreciated

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97 Mustang GT Convertible

The standard Cheap mods but no pullies

95GTS · 08-23-2001, 06:01 PM

They both work hand in hand. One isn't going to work much better without the other being improved as well. Either one can only do so much. But if you insist on only doing one right now I'd do the heads.

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1994 Red SVT Lightning #2019

91LX2Bfast · 08-23-2001, 06:36 PM

Just save up untill you can do both at the same time. Get the 99+ PI heads and intake. If you get 2001+ heads, you can keep your stock valve covers and save some cash. YOu will get all parts for cheaper then the price of only a set of FRPP heads.
Get a 3 or 5 angle valve job and just have some light cleanup porting and you should be pushing 20more hp then a stock 99+ GT. YOu will be running a higher CR because you have different pistons then the 99+ GT's, and thats a great thing for a N/A build up.
Another option is getting the Bullitt intake instead of the stock one. It is almost identicle to the FRPP, although I am not sure how helpful it is one N/A cars.

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1997 Thunderbird 4.6L: Dynomax exhaust, Lightning 80mm MAF with 7" powerstack cone filter, B&M 24,000GVW trans cooler, Inject-Tech chip, KVR Brake upgrade. 15.2 @ 91. Not bad for a 3800lb auto 4.6L

No Longer own: 91 LX 5.0L 5 spd

SMOKE · 08-24-2001, 04:34 AM

91LX2Bfast is on the money with those suggestions.

But I really like the Bullitt intake idea. Heard you can get it for cheap.

I hate Rice · 08-24-2001, 06:44 AM

PI?

------------------
97 Mustang GT Convertible

The standard Cheap mods but no pullies

91LX2Bfast · 08-24-2001, 09:25 AM

PI= Power Improved
Its what Ford calls the better heads and intakes on the mod motors.

46stang · 08-24-2001, 07:03 PM

get the heads first! if you go svo stuff. if you go with the pi heads you have to go with at least a 99+ intake. the heads are diff. and the intakes aren't interchangable! if you want max. hp svo is the way to go, if you want best bang for the buck then the pi combo is the way to go. jmho.

------------------
96 stang,ported 99 heads, 01 bullit intake, 99 cams,Steeda power pullies,Steeda timing adj.,Kirban adj.reg.,Pro-m 87,24#inj.,Twin 57mm t/b,BBK longtube headers,Bassani x-pipe w/cats, Dynomax ultraflow catback,home depot ram air, k@n,
373's,cobra brakes,fms spings, lakewood 90/10's and 50/50's tri-ax shifter.
best et 13.80
best mph 103.3
bfg street tires,bakersfield, ca

08-23-2001, 05:42 PM	#1
I hate Rice Registered Member Join Date: Aug 2001 Posts: 81	New heads or intake manifold I have a 97 gt that I needs to be built up. I am going to have it be all natural with no power adders and right now I have to choose between new heads or a new intake manifold. Which ones would benifit me the most and what kind should I try to buy or salvage. Thanks. Also any other great natural mods would be appreciated ------------------ 97 Mustang GT Convertible The standard Cheap mods but no pullies

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08-23-2001, 06:01 PM	#2
95GTS Git jiggy Join Date: Oct 1999 Location: MO USA Posts: 865	They both work hand in hand. One isn't going to work much better without the other being improved as well. Either one can only do so much. But if you insist on only doing one right now I'd do the heads. ------------------ 1994 Red SVT Lightning #2019

08-23-2001, 06:36 PM	#3
91LX2Bfast Registered Member Join Date: Dec 1999 Location: Warrington, PA Posts: 694	Just save up untill you can do both at the same time. Get the 99+ PI heads and intake. If you get 2001+ heads, you can keep your stock valve covers and save some cash. YOu will get all parts for cheaper then the price of only a set of FRPP heads. Get a 3 or 5 angle valve job and just have some light cleanup porting and you should be pushing 20more hp then a stock 99+ GT. YOu will be running a higher CR because you have different pistons then the 99+ GT's, and thats a great thing for a N/A build up. Another option is getting the Bullitt intake instead of the stock one. It is almost identicle to the FRPP, although I am not sure how helpful it is one N/A cars. ------------------ 1997 Thunderbird 4.6L: Dynomax exhaust, Lightning 80mm MAF with 7" powerstack cone filter, B&M 24,000GVW trans cooler, Inject-Tech chip, KVR Brake upgrade. 15.2 @ 91. Not bad for a 3800lb auto 4.6L No Longer own: 91 LX 5.0L 5 spd

08-24-2001, 04:34 AM	#4
SMOKE Old School ROUSH Join Date: Nov 1999 Location: Stockbridge, GA Posts: 531	91LX2Bfast is on the money with those suggestions. But I really like the Bullitt intake idea. Heard you can get it for cheap.

08-24-2001, 06:44 AM	#5
I hate Rice Registered Member Join Date: Aug 2001 Posts: 81	PI? ------------------ 97 Mustang GT Convertible The standard Cheap mods but no pullies

08-24-2001, 09:25 AM	#6
91LX2Bfast Registered Member Join Date: Dec 1999 Location: Warrington, PA Posts: 694	PI= Power Improved Its what Ford calls the better heads and intakes on the mod motors.

08-24-2001, 07:03 PM	#7
46stang Registered Member Join Date: May 1999 Location: moorpark ca Posts: 340	get the heads first! if you go svo stuff. if you go with the pi heads you have to go with at least a 99+ intake. the heads are diff. and the intakes aren't interchangable! if you want max. hp svo is the way to go, if you want best bang for the buck then the pi combo is the way to go. jmho. ------------------ 96 stang,ported 99 heads, 01 bullit intake, 99 cams,Steeda power pullies,Steeda timing adj.,Kirban adj.reg.,Pro-m 87,24#inj.,Twin 57mm t/b,BBK longtube headers,Bassani x-pipe w/cats, Dynomax ultraflow catback,home depot ram air, k@n, 373's,cobra brakes,fms spings, lakewood 90/10's and 50/50's tri-ax shifter. best et 13.80 best mph 103.3 bfg street tires,bakersfield, ca