Set of HEADS
 

I have a 98 gt and I've been looking for a good set of heads because everyone agrees that heads a great basis to begin with when you are going to build a car for power. I've seen one set in the ford performance catalog that said you would get 35 extra horsepower. For a thousand or so dollars I'm thinking 50 to 100 pony's. Does anyone know of such heads. Can you put the cobra's heads on a gt and would that give any horsepower if you could..

As far as heads go, right now I think that there are 3 options for 98 owners:

1. Port and polish our old heads
(Good for about 30 horse)
2. Use 99-00 heads...
(It is possible, but it looks like its much more than a bolt-on deal, with several parts needing to be changed/modified)
3. Buy the Ford SVO heads
(At around 1400 dollars for both heads, its expensive, but looks to be a pretty straight forward mod. I do believe the computer gets a new chip for this. I don't know the exact hp gain, I think its around 60 horses. It's detailed in SVO's catalogue)

If you are near stock, I would be looking at other, less expensive, more bolt-on type mods. But if you think you and your car are ready for it, my choice would be the SVO heads.


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1998 Mustang GT
13.97@103
"Traction Impaired" or "Nitto Needy"

Where have you seen the heads for $1,400? The cheapest I have seen them is $1,700. Also the HP increase with the heads alone is about 35 hp. With the SVO intake, the hp jumps to about 70, but you are about $3,100 in the hole before they are even in the car. Plus you need the install kits which costs I think $100 to $200. I would get 99/00 heads which can be head for about $600 with cams and port the hell out of them. The Vortech V2 S-trim I think is about $2,699 which will give you more power and you can always add that stuff later.

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99 Silver GT
4R70W, Borla Cat Back,
SHM Slotted Rotors, custom 10.5" ProTorque 3200 stall converter, Transgo Shift kit, Redline Synthetic ATF, Cooler, Bassani X-Pipe, Vortech V2 S-trim, 3.73 gears, 70 mm T/B, Mac Adj. uppers & lowers, ROH ZR6 17X9.5 & 17X8.5 with Nittos, BBK(Walbro) 255 pump & FMS Shorty Headers, D&D Tubular K-member, Coil-overs, & A-arms. Currently running 3.33 pulley at 12-13 psi with AFM powerpipe, but not dynoed yet.
Dyno:
316 rwhp
332 rwtq
Dyno 3/26/00 After fuel mod, FMS headers & Pro Torque Converter.(RUN #6)
338 rwhp
342 rwtq

Mike Marrilo of TExas Jam runs 10.60's with his stock 2000 GT heads. 10 lbs. of boost from a vortech and a 50 shot of N20 to keep it cool and from detonating. So buy a blower and forget about the heads.

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Black 99 GT
3.73 gears
Mac power chamber
2 chamber Flows
Mac cold air induction
steeda tri-ax
Nitto drag radials
13.62 @ 109 (using a G-tech pro)
http://www.mustangworks.com/cgi-bin/MediaDL.cgi?Home_Video+movies+Black99GT-burnem+mpg