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Old 04-30-2024, 07:43 PM   #47
2SS Capt
2020 Shadow Gray 2SS
 
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Drives: 2020 2SS - A10, NPP, MRC, CAI
Join Date: Dec 2019
Location: SoCal
Posts: 3,101
Quote:
Originally Posted by FlukeSS View Post
No no they won't rub, but the rim lip sticks out past the tire width.

As seen in the pictures of my car. I had 275/30R20 Advan V105's originally. Then switched to 285/35R20. (285's fit better where the tire lip is outside the rim lip.)

And maybe it depends on tire too, some tires are more narrow or wider than others.

I know the Advan V105 tires are more narrow than the 10" wide wheel rim lip. The Atturo 285/35R20's fit perfect for the 10" rim lip as the tire sits just outside the rim lip.

But what I did say was because you are using a 23 offset, you are on the maximum and minimum between wheel widths and you may rub with a 35 aspect tire but not on a 275 because a 275 is almost 1CM less wide than the 285's. A 285/35R20 tire on a 23 offset may rub because the aspect increases the tire height and may cause rubbing in that case. 285/35R20's are 27.9" diameter.

That's why I kept trying to reiterate the stock 1LE tire sizes and wheel sizes and ET values.

If you base it on the 1LE wheel/tire sizes you'll be fine, but you use a 23 offset which throws things out of balance from stock. I mean nothing is stopping you from trying the 285/35R20 on the front, but I think your offset is going to be a problem and I could be wrong, I just don't know anyone who runs a 23 offset on the fronts with wider than 285's or higher than 30 aspects.
I don't want 285/35 on the front, I am talking about 275/35 (I currently have 285/30s without rubbing issues (on a 23 offset))

I understand my MRR017's are a 23 offset where the OEM 1LE wheels are 20 offset, but we are talking 3mm or less than 1/8", in theory, by going with a 10mm narrower tire I should gain 5mm of clearance over my current setup so should end up with 2mm more gap than an OEM 1LE setup...

Here is a current short of my front Atturo 285/30, there is plenty of tire sticking out further than the rim, I think a 275/35 would look nearly the same as 10.0" rim is exactly in the center of the width recommendations, just like it is for the 285/30s...

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2020 SGM 2SS - A10, NPP, MRC, Red Calipers, Black Fender Badge, Footwell Lighting
After delivery: - GMP CAI, GMP Black Strut Tower Brace, MRR017 1LE Wheels, SS Armrest, Black Fuel Door, Stainless Pedals, SS Wheel Caps, Black Lugs/Locks, GM Splash Guards, DD Smoked LED Markers, Smoked Rear Reflectors, Mishimoto Catch Can, Xpel PPF - Full Front, SunTek 35% Tint, CeramicPro coating, RST Stainless Brake Lines, Castrol SRF, MSD Super Conductor Wires

Left: My "fun" ride. Right: My "work" ride: a Gulfstream G600. One's top speed is 180 Mph, the other, 620 Mph... BOTH are a lot of fun to operate...
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