My 91'RS pulls hard to the right. Its got Eagle GTII's with only 12,000 mi. They are properly balanced and not seperating or out of round. I have had it aligned twice. It still pulls!!! Please Help!!!!!!

 

rotate side to side...

 

With radials you should never rotate side/side, only front/back. Radials develop a wear pattern, and once that pattern is developed, you should never reverse the rotation. Reversing the rotation of the tire by rotating side/side can quickly lead to broken belts. Just a word of warning. That's not to say that every time you rotate side/side you WILL get a broken belt, but it's a lot more likely.

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1985 Trans Am - rough and ready -- 3" cat and primary exhaust, lowered 2", custom rust body work mild fender denting. Daily driver.
1976 Corvette Stingray - not so rough, but always ready. 427 BBC .030 over (433 ci) 12.5:1 compression about 600-700 HP/World Class T5 tranny, and no, I can't gun it for fear of breaking my tranny - upgrading to a muncie/gear vendors O/D as soon as I get some more $$$

 

The right side brake caliper might be sticking, it doesn't take much.

 

I agree with blackzee its most likley the caliper.

 

check the caliper.. if when you hit the brakes it stick it will pull hard.. had this problem myself


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91 camaro RS
- 305 TBI
Mods: Performer TBI intake, 1" TBI spacer, K+N, jet fan switch ,160 thermo,Accel control module, Jet Stage 2 chip, edelbrock TES headers, Compleate 3" Flowmaster exhaust, Edelbrock springs, KYB struts and shocks, 700R4 built by TSI, SLP tq converter, b+m trans cooler, white guage faces, megashifter..
next month: spohn LCA's and panhard rod, BMR relocation brackets, 323 gear, lt1 cam , 350 heads

 

it could also be the brake hose collapsing

 

Your '91 should have the better redesigned caliper brackets, but it still might be the caliper. Replacing that is $12 and 1/2 hour of work. If that doesn't work check all your hard line and replace the soft line if you have the tools. The only thing after that is the bias valve and master cylinder. Also be carefull rotating front to back on the tires. The wheels might have different offsets for the front and back. If the alignment is being done right, then the only other thing might be bad bushings or something is loose in the suspension or steering.