never mind guys i have already ordered
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4,234 Posts
The speed rating is pretty much meaningless on a car governed to 127mph. You want to look at the rated treadwear, traction, and rating, and how good the reviews are for that tire.
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12,590 Posts
Tread wear between brands is meaningless. There is no government standard tire, so the wear ratings are only useful for other Pirellis. A 400 Pirelli might be a 160 in a Michelin.
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12,590 Posts
You better hope they don't rub.
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12,590 Posts
It's not the width, it's the diameter. 235/40/18s are quite a bit bigger in diameter than 245/40/17s. The tires you ordered are almost an inch taller than the OEM tires, so they will be 1/2" closer to rubbing than the OEM set up. On full compression of the suspension, it may rub. It also might not, but that's a big difference. Hope for the best.
Also, your speedo may be off. You will be going 3% faster than your speedo indicates if it was accurate from the factory. If it started 3% slow as many do, you'll be OK for indication.
Also, your speedo may be off. You will be going 3% faster than your speedo indicates if it was accurate from the factory. If it started 3% slow as many do, you'll be OK for indication.
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1,170 Posts
the tire rack left me an e-mail saying thats a large tire for the tC and they will call tomaorw to confirm that's what i wanted. What size should I get that will fit that rim and buldge out a little to protect the rims? I guess im getting a second chance so I better not mess this up. What size do you suggest lance
A word of advice, a topic headed "Somebody Help" is not going to get as good a response as one that asks what you are requesting. It sounds more like a distress call, picking tires is not a distress situation, people respond to such things differently than your intended desire
Next time ask what you wish to know, it will help you get the help you want
Rick
Next time ask what you wish to know, it will help you get the help you want
Rick
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1,170 Posts
Over the last day I have had to deal with alot of stress and don't really care what you think of my post. Anyways I went over this with tire rack over the phone and they told me It would be fine and should not experience any negitive handling problems. One reason I went with a larger size is to protect the rims and still be reliable. 245/50/18 is still the correct diamator for that car and with a thick sidewall and more road contact I only see an improvment in grip. The bfg geforce t/a kdw2 is a great tire all around.
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12,590 Posts
245/35/18 is functionally the same diameter as 245/40/17 which is also the same at 215/45/17. You'll be fine. I'm glad The Tire Rack put up a red flag on that size, I think you would have been disappointed.
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1,170 Posts
thank you for your advise I really do appreciate your advise. People keep tellin me this kdw 2 gen tire is a large improvment over the orignal model. Now that I got some real tires we need to make plans for a fun drive out on 49 or forest hill rd!!!
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12,590 Posts
Mosquito Ridge on a Sunday afternoon out to French Meadows Reservoir. Beats the crap out of 49. 49 has too many lookyloos and RVs. Don't get me wrong, it's a hella fun drive, but it's really hard to get it all to yourself.
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