Pete was suppose to be back at Milford yestrday, but GM changed the schedule to I think Thursday or Friday. The Camaros are scheduled for shipment at the end of the week for some shows. So just to give everyone a heads up.

If there are some serious questions that you would like Pete to ask, forward them to me and will give them to Pete


thanks
mike
dms

 

I am running 275/35/19XL on 19x9.5 rims on my G8. The Camaro has larger wheel wells.

 

the 21 inch wheels that were on the Camaro we worked on had 9.0 front and 9.5inch rear wheels

mike
dms

 

Now that the Camaro BLACK is at the ideal ride height -- virtually identical to my four door corner weighted Camaro / G8 -- we are thinking 20" wheels would work just as well with with wider selection of performance tires. It looks really Nasty. Camaro BLACK is headed to Hendricks for the Coke 600 this weekend. With all the courtesies GM has extended Pedders, the one they will not bend on are cameras in secure areas. If anyone is going to the Coke 600 with a digital can you please send or post pictures?

 

pete i got a question for you. i ordered the xa kit. i have custom wheels made. 22" all the way around. i think they are a 10" in the rear and 9" front. the tires im running on it are goign to be a 295/25/22 rear and a 265/30/22 front. what is the lowest ill be able to go with this setup and not rub? i would like to get it so the top of the tire is barely under the fender. is that possible?

 

I think I can help you on this. Our coil overs will be able to be adjusted low enough so the Camaro is not really driveable!. So taking 2 inches off should be nothing.

Here is some data in terms of tire diameters to consder

FACTORY 21'S
WIDTH ASPECT WHEEL DIAM SIDEWALL WIDTH TIRE DIAMETER
245 40 21 7.72 28.72
275 35 21 7.58 28.58


YOUR PROPOSED SIZES
WIDTH ASPECT WHEEL DIAM SIDEWALL WIDTH TIRE DIAMETER
265 30 22 6.26 28.26
295 25 22 5.81 27.81

The biggest observation that I see here is the variations in diameter changes. The OE is only .14 inches. Your variation is .45 inches. With this significant change in diameter I am not sure if it will not take a change in the pcm programming for tire diameter variations. I do not have enough experience with this. but there will be a 15 to 20 revs per mile difference between the 2 sets.

Now for the heights you will be able to get it pretty low but again the biggest variable here will be wheel offsets. you will most likely need a 42-45 or so minimum offset, maybe more to clear. but this is again estimates because I have not done these checks yet.

hope this helps
mike
dms

 

the wheels are already made, so lets hope they got it right.
im not too concerned about the spedometer being off and the difference in that.

 

My concern is not the speedometer, is the the traction control and ABS

mike
dms

 

how will larger wheels affect the abs and traction control? there are many cars out there that have changed to larger wheels and i havent heard of any problems with abs or traction control. i had much bigger wheels on my old suv and the abs was still fine. granted the braking is affected because of the weight difference.

is the camaro affected by the 21" wheels?

 

when wheels and tires are the same size front and rear, then no big deal. But when it is set up as a split configuration the relationship of the tire front to rear has changed. The split configured 21s have a difference of .14 inches. the tires the poster will be putting on are .45 inches, about 3 times more. Now we do not know what the pcm will allow in variations. it might be just fine, or not.


mike
dms