NT-01's toast already? - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 8 Old 08-24-2017, 09:03 PM Thread Starter
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NT-01's toast already?

I'll start of by saying I'm new to road racing. I've done 2 track days with my 85, so apx. 50 laps on 1.5 mile course. And I've driven the car n the street about 200 miles on a new set of Nitto nt01's. The rears look ok but the fronts have no tread left on the outer edge and a lot left on the inner edge. 235/17/40 front 255/17/40 rear. It's got 2.0 degrees camber. Is there possibly too much toe in? Or is it just my awesome hard cornering technique.
I guess I am asking is this normal 'racing' wear or is my alignment out of whack or am I just too good of a driver for this car.?
Any tips on aligning the front end if I take it to an alignment shop? Are there settings That they should start off at? Can alignments be done at home in the garage?
I don't mind spending my $ on this car but wearing tires out after less than 500 miles at $200 a pop isn't in my budget.

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post #2 of 8 Old 08-25-2017, 09:40 AM
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1. Go to a square setup ie: 255s all four wheels

This will not only improve handling, but tyre rotation will save/increase the life of your slicks.


2. 2 degrees of camber is nothing I use to run -6 degrees so maybe your toe is off.


3. Best thing about having a rear stick axle car is the front chews up middle/inner tyre (camber) The rear chews up middle and outside of tyre, another reason to go square and rotate for every event.


4. Im on NT01 (275s) and ive done 5 weekends with them and they still have more tread left. (my car weighs 2560lbs so that could help with lifespan)


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post #3 of 8 Old 08-25-2017, 01:35 PM
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You probably need more camber, you should check your toe, and what pressure were you running? You should get several track days out of a set of these. What's the rest of the suspension setup?
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post #4 of 8 Old 08-25-2017, 01:44 PM Thread Starter
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How much camber can I get with camber/caster plates on a fox body? Should I max out the camber before I go in for an alignment? What about the camber? Are there some baseline settings for road coarse driving? I was 28 cold. I have a tubular k member, qa1/strange coilovers, car is lowered about 2". D+D lca's in back. Aftermarket sway bars. Other than that the car is full interior stock so it weighs close to stock. Battery is in the hatch.
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post #5 of 8 Old 08-25-2017, 03:05 PM
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Quote:
Originally Posted by Hammer Down View Post
How much camber can I get with camber/caster plates on a fox body? Should I max out the camber before I go in for an alignment? What about the camber? Are there some baseline settings for road coarse driving? I was 28 cold. I have a tubular k member, qa1/strange coilovers, car is lowered about 2". D+D lca's in back. Aftermarket sway bars. Other than that the car is full interior stock so it weighs close to stock. Battery is in the hatch.
Id try 3.5 negative degrees up front, qu1/strange sounds like drag racing garbage. Put stock upper rear control arms in with fresh rubber bushings. When it comes to lowering making sure front control arms are level with the ground at ride height.

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post #6 of 8 Old 08-25-2017, 03:33 PM
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Also, if the front tires aren't corded yet, you should flip them on the wheels to get as much usage as you can out of them.
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post #7 of 8 Old 08-25-2017, 07:57 PM Thread Starter
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Flipping the tires is a good idea. Thanks....... I found an iPhone app to set camber, caster. Has anyone used this with success? What about toe? Is it possible to set toe in my garage(tape measure)? I'm guessing I would want toe out for road racing. What would the toe measurement be?
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post #8 of 8 Old 09-22-2017, 07:29 PM
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Measure toe by taking offsets from parallel strings stretched between jackstands or something similar. One down each side of the car a couple of inches away from the wheels. Measure off the wheel flanges at the 3 o'clock and 9 o'clock positions (assuming that the wheels are not bent or otherwise damaged), convert to degrees.

How wide are your wheels, especially for those poor front tires. If they're not wide enough, the tire will tuck under and really beat the outer edges of the outboard shoulders up. Same thing can happen if you're riding on inboard curbings (this can tip the whole car like it was rolling an extra degree or more with no camber recovery at all).


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