Wheel fitment and installed wheel pictures...

[AZ Power and Sound]

I didnt have my camera today :bomb: so I had to use some crappy 1.5meg camera. Oh well.

Based on looking at the car thoroughly the other day while on a test drive I put together a set of wheels & tires I thought would fit. Then yesterday we had one come in for testing and measuring. My guess worked right on. We will have approved fitments in the system by Tuesday.

Anyway, I put on a set of 18x8 245-40-18 and 18x9 with 285-35-18 (bit taller than oe, but wanted to use the Nitto Drag). Smoothie IIs. Check the pics.
http://www.resizeme.com/userimages/SSKILLZ/639/GTO Ad.jpg
http://www.resizeme.com/userimages/SSKILLZ/639/gto smoothie2.jpg
http://www.resizeme.com/userimages/SSKILLZ/639/gto smoothie.jpg
http://www.resizeme.com/userimages/SSKILLZ/639/gto anddylan.jpg
http://www.resizeme.com/userimages/SSKILLZ/639/gto smoothiesrear.jpg
http://www.resizeme.com/userimages/SSKILLZ/639/gto smoothie285rear.jpg
http://www.resizeme.com/userimages/SSKILLZ/639/gto smoothiefrontwheel.jpg
http://www.resizeme.com/userimages/SSKILLZ/639/gto smoothierearwheel.jpg
http://www.resizeme.com/userimages/SSKILLZ/639/gto smoothieside.jpg


The fronts come pretty maxxed out stock. Definitly no room to move inwards. Some more room can be found up front with some fender rolling, but this setup I did is very close to the strut up front, and on turning is a mere millimeter or so off the fenderwell plastic lining.

Rears have plenty of room...Ill be experimenting with some more extreme fitments back there. Going 18" 245-40 and 275-35 is going to be the popular, and easy set up. Offsets a re a bit goofy so I expect a lot of custom wheels built for this car...which is good. be different! Boyd Coddington and I will be working together to make some really nice stuff for the GTO.

Upon further inspection...this is a 5-120.

:cheers:

Feel free to ask any questions

[Howie]

To dispell any rumors...this is a true 5x4.75/5-120.65 bolt pattern like the vette and fbodies. yay! It is NOT a 5-120 bmw type pattern.

ROH & Intro wheels have both done wheels fittings on the GTO and both independently confirmed the the lug pattern is 5x120mm. As did a local Pontiac dealer.

ROH and I tried using several different 5x4.75/120.65 wheels from their stock and none of them fit. The wheels on my Goat are 5x120mm.

http://www.newagegto.com/forum/index.php?&act=Garage&CODE=14&type=garage_gallery&id=5

[AZ Power and Sound]

I'll go over it again...just to be sure. But we measured 5-120.65 and the wheels I threw on for a test were 5-120.65. Fit like a glove.

However...as im sure you know, better safe than sorry. We'll triple check!

[Howie]

As released by Pontiac:

The GTO hub has a 5x120.00mm bolt circle diameter.
The offset is 48 mm for both 17-inch and 18-inch wheels.
The GTO wheels have 8.0 inch wide rims.

[4th GTO]

As released by Pontiac:

The GTO hub has a 5x120.00mm bolt circle diameter.
The offset is 48 mm for both 17-inch and 18-inch wheels.
The GTO wheels have 8.0 inch wide rims.
I just got back from a Dealership in Dayton,Oh that has a GTO with a set of Privat 17" wheels on the original tires. The wheels are 17x8 with a 40 offset.
This is the second time I've looked at these wheels. But this time I took a ruler and stuck it up under the rear wheel well and especially on the right side there is no way these look to me like they will clear as I couldn't hold the ruler perpendicular to the ground. I then went to a GTO with stock wheels and there was no problem. So I guess that leaves me no choice but to get custom wheels :drink: more money!

[AZ Power and Sound]

upon a 3rd check, we concur with 5-120

[Big Injun Dave]

5 on 120 mm is the correct bolt circle. A 5 on 4 3/4 (120.65) will go on the car but you stand a chance of wheel vibration.

I have spoken with a highly recognized wheel manufacturer/vendor to GM and Holden and they already provide numerous combos to Holden. I am working to get them release here.
:thumbs: