I've got a 5 . Slow!
 

I've just got at 91 GT with lots of little goodies: a K&N air filter, off-road H-pipe, 2 chamber flowmaster exaust, and 3.73
gears. Also it's a stock Ford AOD automatic with a shift kit (dont know what kind). All this....but it still feels like i'm driving a brick down the road. I know my TPS (throttle position sensor) is bad, and am going to get a new on. But could that
make a big difference when I'm at WOT (wide open throttle). Also I have a friend with a 92 GT with a heavy duty Borg Warner 5-
speed. And his car is like a bullet, he has a slighly bigger cam (operates from about 2,000-5,000 RPM). I added that because I
base all my comparisons while riding with him. My engine was rebuilt only 8,000 miles ago so I know it doesnt need a tune up.
Anouther problem is that the car will not stay in second gear unless the I put the pedal to the metal, and then when I'm in
any gear , except 1st, the engine seems to raise its RPM's very slowly, by the time it gets to about 4,000 or 4,500, the needle
is just crawling! I know I have a ton of questions but anybody with any suggestions would be a big help! thanx

You would do better posting this in the Windsor Power section. But how many miles? With a car with some time, miles, on the clock, even with a rebuild some of the secondary systems (TPS, ect) could be off.

Heck even a bad O2 sensor will be enough to turn a runner into a dog.

Just to be clear, "the slightly bigger cam", which sounds like a E303, but you did add that to your Stang, correct?

But again, go to the Windsor Power section for more informed opinions.

Also the 91's are speed density and the swithced to mas in 92 right.

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My Burnout ;-)
X-pipe
3.73 gears
2 chamber Flows
cold air induction

Nah, Ford switch to Mass Air in 89. I know this because I had an 89 Gt, before I got my 2000 Gt. But I'm still learning about these 4.6's. http://www.mustangworks.com/interact...oard/smile.gif

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2000 Silver Gt

-BBK X-Pipe
-Delta Flow Flowmasters
-Home made C.A.I.
-JET Power Module

Loves to Bust Z-28s & SSs

Post it in the windsor forum and you can get some help.

No use me helpin you now in here.

http://www.mustangworks.com/interact...oard/smile.gif

Skyler

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-1989 Saleen Mustang #406-
TFS Heads, Edelbrock intake, E-303, 3.73's, 1 5/8 shorty headers, Offroad-Hpipe, 2chamber flows, 36psi FPR, playing with timing still, 70mm tb, 73mm maf, 24lb injectors, K/N, March Crank pulley, MSD6a, 9mm wires and FMS Aluminum driveshaft.
Best ET 13.2@106mph Needs tuning...