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Discussion Starter #1
I am hoping to go with the 275 40 17 in the rear and 245 45 17 up front, should I go with NT01's on all 4 corners or should I run something else up front?
 

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How do you plan to drive the car? I have NT01s. Only have about 25 miles on them. They are sticky, and love to pick up rocks from the road and hurl them at my paint.
I never drive my car in the rain, and hope I never have too, because the tread pattern is all about dry weather traction.
I expect treadwear to be.... excessive.
I've already had two people ask me if they are DOT approved. They look NASTY.
 

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Discussion Starter #3
yeah it wont be driven much, and never in the rain. hummm I never thought about them flinging up rocks oh well, this is on a 69 Firebird that I am just finishing up restoring. the tires and wheels will be the last purchase for it, hopefully
 

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I use them for auto X on all four corners. 245-45-17 for rotation purposes, they do have a very flat foot print and may rub slightly in front.

They aren't that bad in the rain, I have auto-xd with them at an event and they did suprisingly well in the wet (not by choice). Wouldn't suggest winter driving but they can make through some precip.

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hey Railing68, what backspace do you have on the front, I am guessing 4.5 since you are rotating them all around, do you think i would be better with more backspace than that up front? would it stop it from rubbing up front? like 4.75 or 5? Thanks
 

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yes probably 4.75, my car is low as well in terms of rubbing, very slight rub during hard cornering (upper). I was originally referring to lower rear of inner fender in general based on tire shape.

I am using 4.5 BS based on price etc for race tires.

Pt.com has a decent database for tire fitment. I recall some going as much as 4.85 without any mods if memory serves.(for front).

By the way I do get some scrub on subframe due to sharp turns etc. I believe that more BS would help with the upper inner fender rubbing and less positive caster with the rear lower inner fender. More BS wouldn't necessarily help the subframe.

There are many guys out there running 245 45s 17/18s but on regular performance radials that have a curvature at the junction of sidewall to tread where the 01s are pretty square and most likely with more BS than 4.5.

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