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Old Apr 9, 2014 | 09:57 AM
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Default Drag radials

I am planning on doing some drag racing with my Z51 C7. My question
what you guys running for your wheel & tire combo?
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Old Jul 3, 2014 | 12:50 AM
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Originally Posted by tommy&teresa
I am planning on doing some drag racing with my Z51 C7. My question
what you guys running for your wheel & tire combo?
I put 305/35/20 Mickey Thompson's on my 11" hre's. They rub. I either need to go with a 19" or 305/30/20

Last edited by Drew405; Jul 3, 2014 at 07:46 PM.
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Old Jul 3, 2014 | 05:44 AM
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12.5" ?!

Good lord! No wonder they're rubbing, that's massive!
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Old Jul 3, 2014 | 04:13 PM
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Originally Posted by Theta
12.5" ?!

Good lord! No wonder they're rubbing, that's massive!
I'm trying to make them work. Michelin makes a pilot 305/30/20 i ordered today that has a soft compound
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Old Jul 3, 2014 | 04:20 PM
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sorry 11'' wide
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Old Jul 3, 2014 | 05:40 PM
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where are you making contact?
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Old Jul 3, 2014 | 07:19 PM
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If those are the TSW Nurburgrings, they're only 10.5" but have an odd offset.

Center cap on those looks like HRE, though. Hard to tell.

If they are HRE wheels, what offset did you use?
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Old Jul 3, 2014 | 07:29 PM
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Originally Posted by Theta
If those are the TSW Nurburgrings, they're only 10.5" but have an odd offset.

Center cap on those looks like HRE, though. Hard to tell.

If they are HRE wheels, what offset did you use?
20x11 73 offset rear
19x9.5 55 offset front
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Old Jul 3, 2014 | 07:31 PM
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Originally Posted by theta
if those are the tsw nurburgrings, they're only 10.5" but have an odd offset.

Center cap on those looks like hre, though. Hard to tell.

If they are hre wheels, what offset did you use?
Originally Posted by ben@weaponx
where are you making contact?
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Old Jul 3, 2014 | 07:36 PM
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Well crap on a hat - those are my specs down to a T (1mm off on the fronts).

I'm using 315/30/20s, though. That 35 was killing you - 28.41 diameter vs 27.44 on mine. Hopefully mine fare better, but they're an inch smaller diameter, which I think would be more than enough to eliminate your issues from the looks of it.
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Old Jul 3, 2014 | 07:40 PM
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Originally Posted by Theta
If those are the TSW Nurburgrings, they're only 10.5" but have an odd offset.

Center cap on those looks like HRE, though. Hard to tell.

If they are HRE wheels, what offset did you use?
They are HRE FF01. Easy to tell the difference.
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Old Jul 3, 2014 | 07:41 PM
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I ordered a pair of Michelin Pilot Sport cup's 305/30/20 I think they will fit nice and be pretty soft. I haven't found a drag radial in that size yet but still looking. If all else fails I might buy a set of the same wheels in 19 x 11 and run 305/35/19's drag radials for the track
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Old Jul 3, 2014 | 07:43 PM
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Originally Posted by Theta
Well crap on a hat - those are my specs down to a T (1mm off on the fronts).

I'm using 315/30/20s, though. That 35 was killing you - 28.41 diameter vs 27.44 on mine. Hopefully mine fare better, but they're an inch smaller diameter, which I think would be more than enough to eliminate your issues from the looks of it.
no problems with it rubbing the lip of the quarter panels on turns or bumps?
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Old Jul 3, 2014 | 07:48 PM
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Originally Posted by C7pimp
They are HRE FF01. Easy to tell the difference.
Not on a phone.
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Old Jul 3, 2014 | 07:49 PM
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Originally Posted by Drew405
no problems with it rubbing the lip of the quarter panels on turns or bumps?
Not a clue, don't have the car here. Just have my fingers crossed that it will work out. Looking at the numbers, it seems like it should be okay.

Also, looking at your scuffs, subtracting at least a half inch from each side (1" less diameter) would fix that rubbing. Those new tires should be just fine for you.

Quick, plug your phone in!
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Old Jul 3, 2014 | 07:50 PM
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Originally Posted by Theta
Not on a phone.
Lol, I'm on my phone
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Old Jul 3, 2014 | 07:52 PM
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Originally Posted by Drew405
I ordered a pair of Michelin Pilot Sport cup's 305/30/20 I think they will fit nice and be pretty soft. I haven't found a drag radial in that size yet but still looking. If all else fails I might buy a set of the same wheels in 19 x 11 and run 305/35/19's drag radials for the track
If you're looking for out-of-the-hole grip, anything short of a drag radial will leave you disappointed.

Those are nice tires, but they will not come close to a MT drag radial for acceleration traction.

If you are drag racing, get an 18" wheel with Mickeys. That's your best solution.

Last edited by C7pimp; Jul 3, 2014 at 07:54 PM.
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Old Jul 3, 2014 | 09:05 PM
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Originally Posted by C7pimp
If you're looking for out-of-the-hole grip, anything short of a drag radial will leave you disappointed.

Those are nice tires, but they will not come close to a MT drag radial for acceleration traction.

If you are drag racing, get an 18" wheel with Mickeys. That's your best solution.
will do. thanks
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Old Jul 3, 2014 | 09:09 PM
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Originally Posted by Drew405
will do. thanks
I might not make it to the track If I don't work out all the other issues. I don't think it would be the tires but after a mile of driving the car is giving me "service stabilitrack light and lighting uo the abs and brake light. also the power steering stops working. If I let it sit for 5 minutes its fine until I drive it for a mile
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Old Jul 3, 2014 | 09:29 PM
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I have a C7 coupe and love driving it on the track. Took it to Houston MSR last weekend and it ran hot! I'm in need of new tires for track purposes, too. Any suggestions for the standard Coupe? Track is a track, but I want some tires that will last out there... especially in the Texas heat! Would also welcome coolant suggestions. I used Water Wetter and it seemed to keep things cool enough for me to make my runs (day 2).

I have a deposit down on a yellow Z06.
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