[tomster]

Originally Posted by Zl1+911

Thanks!! Love the site for the ability to get good clean feedback.

Any thoughts on performance impact for 325 vs 305?

MidOhio lap times:
Stock tire set up: 1:36.8
325 Factory wheels: 1:36.6
305sq Apex wheels: 1:37.3
305/345 R7 Stock wheels: 1:34.5

The car balance seemed best with the 305/325 setup. Lap times were very similar.

I also ran a 305/345 setup on R7 tires that I turned my best times with.

Honestly, I have moved away from staggered fit wheels and now use 305sq on 35mm offset wheels and 15mm spacers/studs upfront. I only lost half a second going to this setup overstock, and now I can rotate and make the tires last 2-3 times as long.

I'm not racing anyone but myself, so the advantages of being able to rotate far exceed the chance to brag about my lap times.

[tomster]

Yes, 19x11 35mm offset all around.
No 4 front wheels will not work. (Wrong offset)

You will need 15mm front spacers and Longer ARP studs.
Talk to the guys at Apex They have a couple of different options that will work for you.


Also there is a Group buy right now for their wheels
https://www.gangup.com/apex/apex-sm1...select-updates

[Zl1+911]

Thx - appreciate the information

[hooligan317]

Originally Posted by tomster

MidOhio lap times:
Stock tire set up: 1:36.8
325 Factory wheels: 1:36.6
305sq Apex wheels: 1:37.3
305/345 R7 Stock wheels: 1:34.5

The car balance seemed best with the 305/325 setup. Lap times were very similar.

I also ran a 305/345 setup on R7 tires that I turned my best times with.

Honestly, I have moved away from staggered fit wheels and now use 305sq on 35mm offset wheels and 15mm spacers/studs upfront. I only lost half a second going to this setup overstock, and now I can rotate and make the tires last 2-3 times as long.

I'm not racing anyone but myself, so the advantages of being able to rotate far exceed the chance to brag about my lap times.

Wow, R7's good for 2 seconds?? I've been considering trying them out this season. That's compelling.

[tomster]

Originally Posted by hooligan317

Wow, R7's good for 2 seconds?? I've been considering trying them out this season. That's compelling.

the 345 rear coupled with the rear sway bar on the stiffest setting helped a lot too.

[SOCAL.M6.ZLE]

Anyone have photos of the 325/30 up front on the stock ZLE Wheel?
In looking to try the R888R all the way around 325/30 up front and the 345/30 out back...