V8 Juice

I bought 4 C6 OEM rims from a post on the Forum and for the moment assume the seller was honest. The rims are for extra track tires. When the rims had the tires mounted and were in the process of balancing on a Hunter laser machine, wheel hop developed on all 4 wheels. Upon close inspection it appears one rim is out of round, but the other three look OK. Has anyone experienced this problem? Can rims be salvaged if the out of round is minimal? How the hexx do rims get out of round? Is it likely that the rims are OK but the wheel hop is the result of improper use of the Hunter balancing machine? Or, alas, did I just get hosed from buying from a stranger?

TedDBere

What's your definition of wheel hop? Describe it please.

There are vendors who specialize in fixing wheels but I'm not sure if any of this forum's vendors do.

V8 Juice

Thanks for the reply. Wheel hop occurs on the balancer in the same way it would on the road. Imagine how a square wheel would "hop" and you get the extreme picture. At high spin speeds on the Hunter machine the mounted wheel should spin smooth and I'm told these rims don't run smooth. These folks have mounted tires several times before on other rims with no problem.

Bill Dearborn

I would be more suspect of the guy operating the balancer.

Bill

varkwso

I have seen more tires out of round (required shaving to get them where they would balance) then wheels that were bent.

But wheels can get bent from "offs" Jake took out a Porsche rim in T7 at Roebling a few years back...

TommyBoy72

Hunter makes a balancer with road force (a roller that applies pressure for balancing) that is the DSP9700. Its popular with miata guys as they are ultra sensitive to out of balance wheel/tires. Maybe you can find one local to you. Discount tires near me always have one, they can charge up to $20 for one tire on it but its worth it if you suspect this is your problem. Or try this to find one near you:

http://www.gsp9700.com/pub/search/findgsp9700.cfm

V8 Juice

Thanx guys; I'm seeing the garage that does the balancing in the morning to get a better understanding of the situation. It seems highly unlikely that all 4 rims are bad, especially if only one appears so upon visual inspection. Sometimes it's the nut on the other end of the wrench. I'll check out the Hunter DSP 9700.

0Vector Vette

Wheels can get bent in an off track excursion or simply hitting a pot hole driving down the road. I have a Hunter 9200 and it is unlikely they were mounted incorrectly. It is also pretty obvious when you see a bent one. If they are bent they can be repaired, but I would try to give them back first.

V8 Juice

I spoke with the garage guys this morning and they used two Hunter machines to test the rims, one being the Hunter 9700. I have identified a location that claims to be able to conform the wheels to full round condition if not too badly damaged. A check with them will provide a second opinion on the condition of the rims and will determine my next step. I am also notifying the seller of the current apparent problem for his reaction. Thanks to all for your advice.

Gray Ghost GS

I've had great experiences with Wheel Worx in Maryland when it comes to repairing my wheels on my vehicles. Might want to check them out. Fair prices for quality services. Mike

V8 Juice

Thanx Mike, will add to my resource list.