Help me pick tires for a Darkstar setup (17x7 and 15x10)
08-10-2013, 11:38 AM
#1
Help me pick tires for a Darkstar setup (17x7 and 15x10) I love these wheels, but my car is 90% street car, so running a wider tire on the front is a MUST. On the 15x10 Darkstars, I'd run a 325/50/15. What tire would you recommend for the fronts? I want to run no narrower than a 235 size tire. I don't want any ABS issues, so I need to get the tire heights roughly the same. Would a 235/60/17 work well with a 325/50/15? Again, I don't want any ABS issues.
08-10-2013, 04:48 PM
#2
Sounds simple but it's not. You'd have a lot of tire rubbing issues with a tire tall enough to keep the abs in check. I'd go with a 225/50/17(good tire selection), which is slightly taller than stock (25.85") and has a recommend wheel width of 6"- 8", which would work perfect on a 17 x 7 wheel without any tire rubbing issues. IMO, I'd go with a front tire size the that fits correctly , and just pull the abs fuse.
08-10-2013, 06:22 PM
#5
So in your opinion, a 235/45/17 would not fit well on a 17x7? You think it's too wide of a tire for that size wheel, or would I have rubbing issues?
Last edited by Rise of the Phoenix; 08-10-2013 at 06:37 PM.
08-10-2013, 06:53 PM
#6
Forgot but when you disable the abs it also disable the ability to properly proportion the F/R brake bias. Which means you'll be more likely to lock-up the rear wheels with hard braking. So if you're going to run the track setup on the street you might want to consider a abs delete kit which does include a proportional valve.
Now if this just for a local track and you only run your drag setup on track days then I'd probably just try pulling the fuse first and see how you are with that.
The fuse is under the hood, it's labeled.
Now if this just for a local track and you only run your drag setup on track days then I'd probably just try pulling the fuse first and see how you are with that.
The fuse is under the hood, it's labeled.
08-10-2013, 07:03 PM
#7
What are the "odd things" the ABS will do if I don't remove it and it does cause an issue? I think I've decided on the Darkstar 17x9.5 (7.00 backspacing) with a 275/40/17 and the 15x10 (7.5 back spacing) with a 325/50/15. How does that sound?
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08-10-2013, 07:20 PM
#8
Engage abs to early or to late, that's what I've experienced before with running a taller rear tire. it might also just disable the abs. You might not even notice it if you're not heavy on the brakes.
Why so wide a front wheel/tire combo..?
Most tire manufactures recommend at least a 7.5" wide wheel for a 235 width tire, , no rubbing issues with a 235/45/17 (25.33" tall) tire.
If you still want to keep some front tire width, then go with a 245/45/17 (better tire selection) on a 17 x 8 wheel.
Why so wide a front wheel/tire combo..?
Most tire manufactures recommend at least a 7.5" wide wheel for a 235 width tire, , no rubbing issues with a 235/45/17 (25.33" tall) tire.
If you still want to keep some front tire width, then go with a 245/45/17 (better tire selection) on a 17 x 8 wheel.
Last edited by 99Bluz28; 08-10-2013 at 07:57 PM.
08-10-2013, 08:00 PM
#9
Engage abs to early or to late, that's what I've experienced before with running a taller rear tire. it might also just disable the abs. You might not even notice it if you're not heavy on the brakes.
Why so wide a front wheel/tire combo..?
Most tire manufactures recommend at least a 7.5" wide wheel for a 235 width tire, , no rubbing issues with a 235/45/17 (25.33" tall) tire.
If you still want to keep some front tire width, then go with a 245/45/17 (better tire selection) on a 17 x 8 wheel.
Why so wide a front wheel/tire combo..?
Most tire manufactures recommend at least a 7.5" wide wheel for a 235 width tire, , no rubbing issues with a 235/45/17 (25.33" tall) tire.
If you still want to keep some front tire width, then go with a 245/45/17 (better tire selection) on a 17 x 8 wheel.
I checked multiple vendor sites and noticed that the 15x10 wheel is a 7.25 backspacing. Is that what everyone else is running who have these wheels? I looked and I don't see a 15x10 in a 7.5 backspacing. I googled the part number on WS6store's website and on Summit and both show the 7.25 backspacing.
Last edited by Rise of the Phoenix; 08-10-2013 at 08:26 PM.
08-11-2013, 02:03 AM
#11
The 15" on a street car just gets me. The 325/50 is a 28" tire. You need a lot of rearend like a 4.30+ for that to make sense. And at your power level, it doesn't.
Run a 17x11 with a 315 Mickey Thompson or Nitto NT05R DR. I don't know which one is better on the street. I've heard both suck with high PSI and in rain. I've also heard they both are good. What I do know is the Nitto likes more heat, so maybe frum roll racing, the MT would be better. But I do know NT05R uses a z-rated carcass as the basis. So it'll act more like a real street tire. The MT uses a thinner sidewall.
I talked to M&H. Those aren't really good for the street. They hook like a ****, but aren't ideal on the street because they use an even thinner sidewall than MT and are much lighter.
Run a 17x11 with a 315 Mickey Thompson or Nitto NT05R DR. I don't know which one is better on the street. I've heard both suck with high PSI and in rain. I've also heard they both are good. What I do know is the Nitto likes more heat, so maybe frum roll racing, the MT would be better. But I do know NT05R uses a z-rated carcass as the basis. So it'll act more like a real street tire. The MT uses a thinner sidewall.
I talked to M&H. Those aren't really good for the street. They hook like a ****, but aren't ideal on the street because they use an even thinner sidewall than MT and are much lighter.
08-11-2013, 10:09 AM
#12
I hadn't even thought about the 15 inch wheel and 28 inch tall tire combo not being ideal with my stock 3.42 gears. How would the 3.42 gears act with that setup?
Is there a 26 inch tall tire that is wider than a 275, like maybe a 295 or 315? I want something wide in the back. I had a 325 tire on the CCW's and loved them.
Is there a 26 inch tall tire that is wider than a 275, like maybe a 295 or 315? I want something wide in the back. I had a 325 tire on the CCW's and loved them.
08-11-2013, 11:34 AM
#14
Those aren't really any wider than 275/40-17s. Sidewall bulge might make them look slightly bigger. But the 275/50-15 would fit and is the only 26" tire I know of for a 15. Everything else is a 28" like the 295/55 and 275/60.
On CorvetteForum, some guys AutoX on the NT05R. It is basically a street tire that can hook like a MT when aired down and really heated up.
That's what I'm going to run.
On CorvetteForum, some guys AutoX on the NT05R. It is basically a street tire that can hook like a MT when aired down and really heated up.
That's what I'm going to run.
08-11-2013, 05:23 PM
#16
Ok, after more searching, I think I've found my wheel/tire combo:
17x9.5 Darkstar (7.00 backspacing) with Mickey Thompson Street Comp 275/40/17
15x10 Darkstar (7.5 backspacing) with Mickey Thompson ET Street Radial 275/50/15 (26x11.50R15)
Then again, I could get Nitto 555's in 275/40/17 and Nitto 555's in 325/50/15 for the Darkstars.
Which tire setup would work better? I assume the Mickey Thompson setup will be closer in regards to the front and rear tires being closer to equal height.
17x9.5 Darkstar (7.00 backspacing) with Mickey Thompson Street Comp 275/40/17
15x10 Darkstar (7.5 backspacing) with Mickey Thompson ET Street Radial 275/50/15 (26x11.50R15)
Then again, I could get Nitto 555's in 275/40/17 and Nitto 555's in 325/50/15 for the Darkstars.
Which tire setup would work better? I assume the Mickey Thompson setup will be closer in regards to the front and rear tires being closer to equal height.
Last edited by Rise of the Phoenix; 08-11-2013 at 07:46 PM.
08-11-2013, 08:40 PM
#20
Not to throw a wrench in at the last minute, but the MT 295/55/15 ET street radial is a perfect fit for our cars. Slightly wider than the 275/60/15, but more narrow than the 325/50 so you dont have to clearance near as much (if at all). It's a true 28" diameter tire.