I want to run these tires on stock wheels but the only tire available for the front is a 275/40/17.Will this size affect AH-TC while running the stock 295/35/18 on rear?
I want to run these tires on stock wheels but the only tire available for the front is a 275/40/17.Will this size affect AH-TC while running the stock 295/35/18 on rear?
Nope, your good to go. You run into problems when the height of the front tire exceeds that of the rear. My track tires are all exactly the same size and AC/TH works just fine - when I forget to turn it off
If I've done the math correctly, the stock REAR size tires (295/35-18) have a diameter of 26.129". The stock FRONT size tires (265/40-17) have a diameter of 25.346. That makes the rear tires just a shade over 3/4" taller than the front.
A 275/35-17 F1 GS-D3 measures out to a diameter of 25.661". These tires, mated with the stock rear size tires makes the height differential LESS than 1/2".
Can anyone say UNEQUIVOCALLY that the 275/40-17 fronts, mated with the 295/35-18 rears, won't cause Active Handling and/or Traction Control problems????
I have been looking into these tires also so...inquiring minds want to know!
My next set of questions will be directed to Luke at Tire Rack.
FWIW, the GY GS-D3's were the worst set of tires I have ever owned (on my old Mustang GT). Worse than the factory GY's that came with the car, worse the the Bridgestone S03's, worse than the Bridgestone RE730's, worse than the Kumho 712's. The sidewalls are pathetic, and after reading all the positive reviews on the tirerack, I amazed at the ignorance of the average american tire buyer. Sure, the GS-D3's are good in a straight line, and they're great in wet conditions, but when it comes to changing direction and dry cornering, they are downright scary. I threw a set on my Mustang, and noticed the wobbly cornering right away. I should've just thrown them away, but I didn't and I paid the price on my next canyon drive...
Last edited by Blackrazor : 07-23-2006 at 10:04 AM.
[quote=Blackrazor]FWIW, the GY GS-D3's were the worst set of tires I have ever owned (on my old Mustang GT). Worse than the factory GY's that came with the car, worse the the Bridgestone S03's, worse than the Bridgestone RE730's, worse than the Kumho 712's. The sidewalls are pathetic, and after reading all the positive reviews on the tirerack, I amazed at the ignorance of the average american tire buyer. Sure, the GS-D3's are good in a straight line, and they're great in wet conditions, but when it comes to changing direction and dry cornering, they are downright scary. I threw a set on my Mustang, and noticed the wobbly cornering right away. I should've just thrown them away, but I didn't and I paid the price on my next canyon drive...
I feel your pain thanks for the info
Bob
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Can anyone say UNEQUIVOCALLY that the 275/40-17 fronts, mated with the 295/35-18 rears, won't cause Active Handling and/or Traction Control problems????Charlie
I have run 275/40-17 fronts with 315/35-17 rears which are identical O.D. I can't say I noticed anything different about T/C or AHC. Most T1 racers run this or 315 all around without problem.
I'm running 315 on the front 9.5" rims right now and I believe this is even larger O.D. that rears now. The cornering does not seem as sharp, but the stopping is incredible.
Look at the "specs" tab on the page for any tire of interest in the tire rack site. This will lead you to a table of tire sizes (incl height dimensions and other data). It also shows the recommended wheel size for each size of that particular tire. They have one of the best sites for tire data I have found. Hope that helps.
I had these tires on my 02 WS6 that was pumping out 400rwhp. They were awesome! In the corners the hooked and I even made 16+ passes at the strip with them and they would hook great. That was even running them without letting out any air. How a mustang could not benefit must be driver since they are rated as one of the very best. Wasn't the tire dude.
Like I said, I went through several sets of tires, same driver each time, only one set of tires with wobbly side walls. Soft side walls are good for the drag strip, and from the sound of your post, this is where you used them. Try using them through the twisties and if you actually know what you're doing, you'll see the difference too. I'm not the only one to have problems with the weak sidewalls on these tires... and unfortunately most people never drive a car through a corner fast enough to know what I'm talking about (drag racing is the only kind of racing the average Joe can handle, or understand).
The scary thing here is that so few people know how to do anything besides go in a straight line, it's hard to find good information on a tire's cornering ability. This is why I wound up getting the GS-D3's... because lots of uninformed, drag-racer-only weekend warriors swore by them.
Last edited by Blackrazor : 07-28-2006 at 12:37 AM.
I just reread my post and apologize if I seemed like an ass. It kinda seems that way to me today. Anyway, I am by no means a drag racer, just been there 3-4 times. I do advanced lapping days at Pacific Raceways and never had a problem with these tires. They never had sidewall flex on me and I never felt wobbly on them. Sorry you had a bad experience but the vast majority have not.
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