I'm in a bit of a dilemma here. I'm about to buy some Apex ARC-8 wheels and I can't decide which size to go with (yes, I will be getting them redrilled). Here are some suspension specs:
BC racing coils, 16k front, 14k rear (one of three different coils I have)
SPC adjustable front arms
034 motorsport spherical front sway bar end links
Stock sway bar up front
034 rear adjustable upper control arms
034 adjustable rear tie rods
034 adjustable rear sway bar end links
034 rear sway bar and brackets
Stock hp2 calipers. I don't mind having to shave the calipers.
Steel uprights
So pretty much everything on my setup is adjustable.
The suspension alignment I will be aiming for on the street:
Ride height front = 25.5"
Ride height rear = 25.625"
Toe in = 1/32 front and rear
Front camber = -1.75
Rear camber = -1.25
Front caster = ~4
Tires I will use will be Michelin Pilot Super Sports
I will be tracking the car occasionally, mostly hpde. 95% will be spirited road driving. Canyons, mountain roads, etc...
Here's the problem. I want to run the ARC-8 18x9.5 et35 with 245/35/18. I do not like a lot of poke, I do not like a lot of stretch. Mild stretch is ok and I want less than 1/2" of poke, flush would be preferable. I like the 18x9.5 et35 because of the concave face and the ability to run more meat in the future. I do not want any rub either. I will not be rolling the fenders. Will these rub? Especially under hard cornering? Will they poke further than I like? I know some run these sizes already but there's no definitive word since some seem to rub and other don't. I've gone through the entire wheel/tire thread. I can get aluminum uprights if necessary but I'd prefer not to.
The other option is to go with 18x8.5 et38, with a 245/35/18. I'm fairly confident this will fit and not rub but I won't be able to fit any more meat in the future, the face is much flatter, and the weight difference is only a few ounces. I don't completely dislike the flatter face but I would much prefer the concave face.
Concave face 18x9.5 et35:
Flat face 18x8.5 et38:
For those that tl;dr:
Will 18x9.5 et35 with a 245/35/18 with Michelin Pilot Super Sport fit at 25.5" gtf front and 25.625" gtf rear fit without rubbing or poking a bunch or rolling the fenders?
Or
Would 18x8.5 et38 with a 245/35/18 with Michelin Pilot Super Sport be a better option? My preference is the 18x9.5 though. I'm assuming most will tell me to go with 18x8.5 but if the 18x9.5 even has the option here I'd rather run that.
Thanks!
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