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Old 05-21-2014, 08:26 PM   #1
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help please

00 gt ..udp..catback ..373 gears and bama tune and shirt shifter ...
18 inch cobra r wheels problem is I get no traction whatsoever 1st 2nd 3rd and sometimes 4th. its a pain it feels dog slow i can feel the rear end swaying all overover thethe place butbut I'mI'm notnot going anyhhere too fast
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Old 05-21-2014, 08:37 PM   #2
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Get some tires and a driver mod
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Old 05-21-2014, 08:38 PM   #3
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Fourth?!!?!?!!!???

Well you're definitely not having a horsepower problem...
Have you checked to make sure that the Trac-lok is working correctly and that both of the rear wheels are spinning? They do wear out, faster than you would think...
What tires do you have on the rear?
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Old 05-21-2014, 08:41 PM   #4
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not familiar with trac lock...and there general uhp tires
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Old 05-21-2014, 08:43 PM   #5
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ive even had someone behind me and when I get on it the back end sways like hell and im not moving as fast as I think I should be
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Old 05-21-2014, 08:46 PM   #6
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I believe they are 373s the owner before me said they were I'm at about 2600rpms in 5th at 60ish
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Old 05-21-2014, 08:48 PM   #7
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Is there something broken in the rear suspension?
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Old 05-21-2014, 08:51 PM   #8
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not to my knowledge...a little squeek sometimes when its cold

---------- Post added at 07:51 PM ---------- Previous post was at 07:50 PM ----------

forgot to mention its lowered 1.5 inch with sr aprings
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Old 05-21-2014, 08:52 PM   #9
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If something is worn out or broken back there, it could be swaying around under load.
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Old 05-21-2014, 09:26 PM   #10
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Quote:
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not familiar with trac lock...and there general uhp tires
Trac lok is Fords version of a posi traction differential. It has clutches inside of it that wear out. I'd check to make sure that BOTH of the rear wheels are putting power to the ground.

Carefully, Sam...
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Old 05-21-2014, 09:41 PM   #11
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help please

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I believe they are 373s the owner before me said they were I'm at about 2600rpms in 5th at 60ish
You sure that you have 3.73s? I'm turning 2500 rpms at 70mph with 4.10s
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Old 05-22-2014, 09:19 AM   #12
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Something doesn't sound right if you're breaking the tires lose in 4th gear with those few modifications. Even if your tires we dry rotted, worn down, and have seen better days, they should still hook up in 4th gear haha.

Are there any kind of noises coming from the rear end? Does the car have excessive body roll? When your friend is driving behind you, are is he/she sure that both wheels are spinning? Does everything seem to mechanically sound?

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Old 05-22-2014, 09:24 AM   #13
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First, find out what gearing you have back there. Its easy to just spin the tires and mark how many times they go around per 1 revolution of the driveshaft. IE, 1 spin of the driveshaft and a little over 4 tire rotations=4.10s.

Second, get the car in the air and see what is going on back there. Stock suspension components in these cars are barely adequate when new much less 10+ years old.

Third, get a good set of tires on there. Old, bald, dry rotted tires are going to do this although spinning into 4th is not happening with a stock 2V unless you have a diff problem or the tires are literally bald and you are on wet weather.
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Old 05-22-2014, 09:25 AM   #14
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I did a quik burnout this morning and there were two tread marks
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Old 05-22-2014, 09:27 AM   #15
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only thing I notice is starting off normal..if I dont takeboff quijly thenbthe whole car shakes and feels like the wheels are hop ping around
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Old 05-22-2014, 10:01 AM   #16
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only thing I notice is starting off normal..if I dont takeboff quijly thenbthe whole car shakes and feels like the wheels are hop ping around
It sounds like there's some loose components in your suspension. I'd get the car on jack stands as soon as you can and give everything a thorough inspection. It the car is hopping around easily, there could be a few things causing it. One could the rear control arm bushings. Both upper and lower control arms should be thoroughly checked. If they're worn out, that would easily cause a loss of traction!

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Old 05-22-2014, 12:21 PM   #17
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now that I think about it my car sits crooked
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Old 05-22-2014, 12:23 PM   #18
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You could very well have broken springs or shot bushings or a combo of that back there. I'd get it up on stands asap before something broken back there causes a wreck.
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