By request from Icehawk...a top down view of the rear and a bottom up view (not to mention some good looking toes).

Nope, not much reason to test them on an NB. An NB has much more room for wheels and tires. In short, if they fit NA...they fit NB even easier.

I ask because the front is a tight fit with a 205/40-16 at full lock. I think my front ride height is 12.25" at the moment. I've also seen evidence that wide tires will rub sway bars in the front and with my big 1.25" bar, it's that much closer to the tire.

Matt

And let's say it does rub the sway bar at full lock....so what? The ever popular race combo for years on the Miata was the 15x7.5 SSR Comps. With their 43mm offset and loaded with 225/45/15 Hoosiers (section width of 9.8 inches compared with total width of just 9.6 inches on these 245 Toyos), the Hoosiers would rub at full lock on the sway bar. But it was only at full lock and full lock is for parking lots and three point turns ONLY. So it was not a safety issue or a driving issue so not a concern. I ran that 15x7.5 and 225/45/15 combo for nearly a year before I even noticed some paint was missing from the sway bar. And that was 43mm offset...these 16x8s are 38mm offset...an extra 5mm of space away from the sway bar.

The 18x9.5s are back in and I've ordered up a set in this fitment for my '06 Miata. Can't wait to see what they look like!

Ron

Here you go guys....18x9.5 all around, 285/30/18s KHUMO V710s in back, 245/35/18 KHUMO V710s in front. When I was bolting it up I thought for sure it was never going to work. Then I drove it around the block....and it had no issues! Then I drove it up Soledad mountain and back down...no problems! TONS OF STICK....oh yeah! Ready to run CSP or SM2 at the next Autocross!

What are the wheel sizes/offsets and tire sized on this grey NC? That looks great.

That's our CSP and SM2 competition setup....18x9.5 all four corners and just 17 pounds each, car lowered with JIC coilovers. More info on this fitment in the JIC thread here:

http://www.good-win-racing.com/mazda-ta ... &start=105

One of the wheel/tire options I'm considering is the Toyo 245/35-16s mounted on the 16x8 RP-F1s. I have some concerns about running a 35 series tire on the road. Any feedback from Miata owners using this series tire?
My Miata is a 1990 V8 conversion. The front fenders are stock and the rears have been flared. I'm presently running 215/40-17s on 7.5" rims (30mm offset-on a fast, bumpy, tight corner the front tires occasionally hit the plastic fender liner). I don't like the look (or weight) of the 17s and would like to move down to 16s or 15s. Even though the 215s are fairly wide, I would like more tire. Presently, it's a toss up between a 15 x 8 inch rim with 225/45-15 Hankook R-S2s or the RP-F1 16x8 inch rim and the Toyo 245/35-16s.
The car may see of odd track day, but most of my driving is highway. The highway driving is a combination of canyon carving with my Miata buddies and touring with my wife. The car is not a daily driver, and spends the winter months in storage.
Any comments/opinions would be appreciated. I can't decide on which would be the best combo for my type of driving.
Ron
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The 16x8s have proven popular with the NA/NB big hp guys like yourself. You can run them with either 225/40/16s or 245/35/16. The former is slightly taller than stock diameter, the later is a perfect stock diameter match. We have 15x8 wheels too (30mm offset) which work great for track duty but for a street toy my preference is the 16x8s for the more streetable offset that tucks everything neatly under the fenders and looks very clean as the photos above show.

Fall update...we now have about two dozen customers using this new 16x8 combo with the 245/35/16s and so far no problems reported thanks to the proper stock diameter of the tire and the 38mm offset. Nonetheless, too many variables to say this very wide combo will fit any Miata without having to make adjustments to camber, height, or fender lips.

Adam Daly's 245/35/16s on Enkei RP-F1 16x8

Does the car feel underpowered with the 18's?? how does it feel on the track??

Are these wheels available in 17x9.5??(special order)?
Do they come out of the fenders?? ( I saw that in the grey one the fit nice under the fenders but in your car they are a little out) why is this??

Thank for your time