Expand Rotor Disc Hub Bore

Hello fellow hot rodders,

I am fitting a 2010 Camaro SS Rotor to a 1996 Camaro Z28, and I am also using a 2007 CTS-V Caliper. This is my problem: the center hub bore diameter of the 2010 Camaro Rotor is 67.4mm, while the center hub bore diameter of a stock 1996 rotor is 70.7mm. This means overall the 2010 Camaro SS hub bore diameter needs to be opened up 3.3mm, or 1.65mm concentrically.

Considering this is only about the thinkness of a penny, my initial thought is to just mark out where I need to clearance it, and take the dremmel with a good cutting wheel and get after it. However, should I be concearned with messing up the rotor balance? Stock rotors are a slip fit anyway, so I am not super concearned about it, unless you guys have reason I should be.

Thanks!

 

1- Grinding is a bad idea. You need to do this right, take it to a machine shop. Should be cheap.

2- Asking about a 96 Camaro on the HAMB is a good way to get lynched...

 

Have it chucked in a lathe and do it right.

 

Concentricity is essential. You need either a machine shop or to find out if anyone has already sussed this out.

 

@jarretts70 I know late model is not really on here much, but you guys do way cooler stuff than the guys on the late-model forum.

Seems like the concensus is go to a machine shop. I was afraid there was no way to do it at home.

 

theres no right way it should be incredibly cheap any shop can do it and the correct way to do it at home is make like all these cool cats and buy a lathe
P.S. fitting that stuff too a 1960 caddillac would score you some points hahaha

 

Either that or just buy the correct rotor. I mean how expensive can a rotor for a late model car be?

 

I am matching the larger 4 piston CTS-V Caliper to the 14" Camaro rotor, so I have to use that rotor. How much should I look to pay to get this done? I called a shop and got quoted $85, which seems kinds high to me.

 

If $85 sounds high then shop around...just be sure to ask the same questions at each shop.
Consider: shop rates of $50-100/hr are common and including the time to figuring out what you want is not unusual.

.

 

It will probably be easier and less expensive to get the hub turned down. If there is enough meat on it anyways. You don't want to create a dangerous situation.

http://www.pro-touring.com
this website has good info on what it looks you are trying to do. Cesar

 

can you change the hub as well?

 

Whiskey Tango Foxtrot!?!?!

 

I'd do the hub, too. Then the next time you need rotors, they'll fit right on the hub.

 

you don't cut corners or cheap out on brakes or suspension, that's when people get hurt.

 

It would be more difficult to turn the OD of the hub down due to fixture requirements. Turning the ID of the rotor would be much easier because of its shape.

If he's also doing the rears, then he'd need to pull the axles and have those machined as well.