tire size and vdc problem?
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tire size and vdc problem?
I have 03 track wheels. I want to move my 245/45's that are on the rear now to the front wheels, and then put 265/40's on the back. Does anyone see a problem with doing this? VDC problems?
Thx in advance.
Thx in advance.
#2
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You will definitely have problems with that setup. The 245/45/18" tire is 26.7" in diameter. The 265/40/18" is only 26.3" in diameter. The rears can't be shorter than the fronts, they need to be around 0.5" taller.
You would need to go with a 265/45 in the rear. If you stick with those sizes, then you'll also have a problem with the speedometer being inaccurate.
Typically when people up-size their tires, they use a lower profile to keep the overall diameters the same as OEM. For example, the usual step up from the stock 225/45 & 245/45 is to go to a 245/40 & 275/40.
You can check out size combinations with this handy little tool:
http://www.miata.net/garage/tirecalc.html
You would need to go with a 265/45 in the rear. If you stick with those sizes, then you'll also have a problem with the speedometer being inaccurate.
Typically when people up-size their tires, they use a lower profile to keep the overall diameters the same as OEM. For example, the usual step up from the stock 225/45 & 245/45 is to go to a 245/40 & 275/40.
You can check out size combinations with this handy little tool:
http://www.miata.net/garage/tirecalc.html
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