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Discussion Starter · #1 ·
What do you guys think I should go with on the K1's in 16/7.5F and 16/8.5R:

It's either

225/45F 245/45R
or
205/40F 225/40R

Those sizes are selected mainly for cost issues and availibility, I don't want to be tearing through sets of Pilot Sports on the track and I want to keep the same sidewall dimension F and R.

The wider setup will give me more rubber on the track, but the lower profile will account for less sidewall mush. . .

It also sounds like some guys think the 45 series is a little too high as far as asthetics go. . .
 

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The 45 on a 245 will be 4.2% larger than stock rears on a Turbo. A 40 series would be almost identical to stock. With the 225/40 your speedo will be 2.5% slow, so that's a bit closer. Those sizes aren't a great match. It just depends what you are looking for though. Since I haven't driven an MR2 with other than stock wheels/tires, I can't tell you how much the "feel" would change.

-G-
 

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Discussion Starter · #3 ·
Gordaen said:
Those sizes aren't a great match. It just depends what you are looking for though.
-G-
Looking for balance really. I figure by keeping the 20-30mm stagger things should still feel pretty good on the track . . .And either set up is a step up in width from the stock specs. . .
 

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I'm currently running 205/45/16 on a 7in wide rim, and 225/45/16 on an 8in wide rim and the feel is great. I'm interested in trying wider sizes in the rear, but nothing seems to have the same diameter as the factory setup. I can't find anyone who sells 245/40/16's .
 

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your second option should be 45's instead of 40's.

for the track, I'd go with the first choice ....... more contact patch is more contact patch.
 
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