18x11 or 18x10.5? Offset/Backspacing Help Needed

[kennys2003]

I'm in the market for new wheels, likely going custom.

I can't decide if an 18x11 setup will fit without any major challenges. I would likely go with an r888 315 rear tire.

Preferably I'd not have to roll the fenders.

Stock coils, Cut Springs 1/2", 3/4" drop respectively. In my new setup, I would ditch my 1" spacers in the rear, otherwise the suspension is stock. Car is wrapped for storage ATM, but if I recall, the IRS bolt is shaved; no button head.

Thoughts on 18x11 with a (+20-22) 6.75ish or (+27) 7ish" backspacing?

or should i play it safe and go with a 18x10.5 setup?

Up front I'll go with a 18x9.5 +20ish for a 6.25 backspacing.

Does anyone have any suggestions or experience?

Thank you in advance for the help,
Kenny

 

[MG0h3]

I don’t know the numbers but plenty of us run 11s with no problems but you probably will need to roll being lowered.


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[trmnator]

I use 11x17 with 5.5 back space. rolled lip just for extra safety. You could up to 6.75 and have clearance in and out. I use 28 tall so I had to stay out of the inner wheel well.

 

[svtl399]

I’m running 18x11s with a 315/30 and 3/8” spacer in rear for added clearance but even without no fitment issues at all. And I’m lowered on H&R race springs

 

[svtl399]

I’m running 18x11s with a 315/30 even with a 3/8 spacer for added clearance. Fits perfect with zero issues. And pretty low with H&R race springs

 

[buexdreux]

Sub’d. I’m also interested in running an 18x9.5/18x11 setup


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