Stingray how-to: 315 Front / 345 Rear tires for track use
The main advantage of wide-body C7s is the ability to run wider tires and increased track. There's not much to do for the increased track besides adding wide-body to your car, but looks like you can run the same width tires!
So what do you need for a very wide tire to work without running into any issues? Only two things, but it's easier said than done : )
My recipe:
Remarks
From my build thread:
Originally Posted by X25
(Post 1596089157)
...
... https://lh3.googleusercontent.com/pv...=w1263-h947-no Once home, decided to try the 345s. Checked the inside clearance, first; check! I have ample clearance on all ends, and the 18"x11" wheels with 79mm offset barely clear the upper control arm at this shock height (full droop). https://lh3.googleusercontent.com/6X...=w1263-h947-no I have 60+mm of gap, about 2.5". The whole suspension movement can't be more than 4" or so, anyways, so I'd highly doubt that I'd ever destroy my fenders. Regardless, I will wait until track testing for the final word (I had no rubbing whatsoever during my street tests). https://lh3.googleusercontent.com/T_...=w1263-h947-no https://lh3.googleusercontent.com/n2...=w1263-h947-no Here's how it looks with: 315/30/18 Front 345/35/18 Rear |
315 & 345 on track
Any update on the big tires on the track.. Any rubbing?
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Originally Posted by Jan_N
(Post 1596900416)
Any update on the big tires on the track.. Any rubbing?
Originally Posted by X25
(Post 1596148202)
I got to test 345s at the track, today. Looks like it works! Now that the fitment question is answered, I'll source R7 345/35/18s, and wait for the next opportunity for a full-on R7 setup. Well, before that, I will also need to tune these shocks with my base tires (NT01s 315/325).
...
In short, I recommend 18x10.5 ET51 Fronts, and 18x11 ET76 as the optimal set for these tire sizes. Keep in mind, you'll also need either sway bars, or stiffer springs to mute the excess suspension move these high traction tires create, or else it might rub. Happy tracking! |
Here’s some shocking news. I too thought that a 345 rear wheel would not hit the fender! I drove around 2 weeks with no problem. Then I got the MRC update ! The first time I rode a bump harder then usual the wheel hit the fender hard enough to break it! |
Originally Posted by Riderover50
(Post 1597213373)
Here’s some shocking news. I too thought that a 345 rear wheel would not hit the fender! I drove around 2 weeks with no problem. Then I got the MRC update ! The first time I rode a bump harder then usual the wheel hit the fender hard enough to break it! It's good to learn that MRC update softens it more, btw. |
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