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      10-03-2019, 06:29 AM   #23
CSBM5
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Originally Posted by Rexracer View Post
CSBM5 - the wheel thing is a consideration, but I would likely want to run square tire setup (for rotating). Mark Scroggs DS Camaro ran 275/35R18s on 8.5s, so a bit pinched, but still made it work well enough for a national title.
The square tire setup is fine on the 8.5/9.5 wheels, but you of course can't rotate front to rear. I had 275/35-18 Rivals all around, pinched down a bit on the 8.5 up front, and it wasn't too bad as the Rival was so stiff. It's not class legal to change the rear wheel width of course, so you couldn't run 8.5 all around for example.
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      10-03-2019, 12:13 PM   #24
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You're welcome? LOL. Which car was it and I assume at PIR?
Your M3, I have the Black C4.
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      10-03-2019, 12:19 PM   #25
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Originally Posted by sgreer78 View Post
If you care at all about doing Pro's, DO NOT buy a DCT.
I only care 0.1% or less. I would need to daily the car, so while I would rather have a manual for fun, an hour of stop and go traffic every day isn't fun.
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      10-03-2019, 12:21 PM   #26
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Originally Posted by CSBM5 View Post
The square tire setup is fine on the 8.5/9.5 wheels, but you of course can't rotate front to rear. I had 275/35-18 Rivals all around, pinched down a bit on the 8.5 up front, and it wasn't too bad as the Rival was so stiff. It's not class legal to change the rear wheel width of course, so you couldn't run 8.5 all around for example.
Yeah rotate as in flip and swap on rims. Not as easy, but better then only being able to go left/right.
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      10-03-2019, 12:26 PM   #27
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Originally Posted by ApexRaceParts View Post
most F-street guys run 275/35-18 square on those wheels.

If you start out with a non-ZCP car (18/19x8.5" ET29 / 18/19x9.5" ET23), you would need to stick to 18x8.5" ET35 / 18x9.5" ET22.

- Ryan
Thats my thinking, a 275/35-18 on 8.5/9.5 shouldn't give up to much to a 275/35-18 on 9.0/10.0. Unless the RE-71 sidewall just isn't as stiff as the Rival's that I am use to.

The biggest advantage to the ZCP is if you really wanted to push things and run a 305/30R19 on the rear, 2.3% taller, but on a nationals size course maybe helpful.
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      10-03-2019, 02:06 PM   #28
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You can fit a 315/30-18 back there on a 10 too. I did it on 9.5’s with Hoosiers back in the day. So supporting the Yoke or whatever in that size would be better on a 10
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      10-03-2019, 02:49 PM   #29
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Sunroof was always a line item so if you follow a factory roof replacement procedure with all oem parts I see no reason it wouldn’t be legal
So the brilliant white e90 with the carbon fiber roof swap that is currently for sale would be F-Street legal??
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