alright my 95 Z has BMR lowering springs all the way around with OEM C6 vette wheels, 18x8.5 in the front and 19x10 in the rears, stock tire sizes that come on the vette, and im using Skulte billet wheel adapters. anyways, with 2 15" subs in a subthump box and 2 amps, and everything else back there to run it all, i rub the tires on the fenderwell on just medium sized bumps. i know the subs have a lot to do with it cause theyre big and heavy, the car also sits decently low in the rear now as well. aside from rolling the fender lip, are there any springs i can get that would make it sit a tad higher and support more weight? anyone got thoughts? im also running stock decarbon shocks

 

Just throw some stockers back in. With that much stereo, any lowering spring is going to give you problems. Put some good shocks in while you are at it so you can adjust the front ride hieght.

 

air shocks FTW!

 

1. Put the stock rear springs back in.

2. Adjustable PHB to center tires in wheelwells.

3. If you're still hitting the fender lip Just roll it, or cut it with a cut-off wheel.

IMO if you have around $300 your willing to spend buy a A.R.T. rear cool-ride kit for the camaro and one of their manual inflation air valve kits, their around $35. This is what I did, I only wish I would have done it a lot sooner! No more constant bottoming out of the rear suspension!
IMO, I would still do 2, and 3.

 

Def go for the panhard rod arm. It will help with centering the rear on the body. How big are the spacers your using?

I run zo6 replica 295/35/18's in the rear and have been having issues with tires rubbing. Pretty sure small spacers and the double adjustable panhard rod arm i ordered with cure it tho. Have you pounded out the wheel wells yet?

You should be able to see where the tires are rubbing. Grab a hammer and pound & wack. It helped me a lot. But dont go too crazy, remember this is your car.

 

its the fender/quarter panel lip. the sharp inside part the runs along the wheel well, closest to the tire. i can see on the sidewall the small lines its leaving along the circumference of the tire. not terrible, but deffinitley noticable. i do have adjustable PHB, never messed with it tho.

 

So did you fix the rubbing problem?

 

AirLift air bags! I have them on my car. They are great.

 

well i got some stocker springs that i plan on putting in soon and hopefully raise the rear a bit.

 

you would be stupid not to adjust the panhard rod arm. The panhard rod controls lateral movement, which is precisely your issue. Not to be a dick, just stating the facts.