17 x 9 wheel/tire fit

Mrgreen94gt said:
Just remember that those tires are a little over an inch shorter than stock, so you'll have a 4x4 look if you don't lower the car and your speedo will be off.

Shorter than stock? I thought 285/40's would be taller than stock 235/45's...?

285/40 sidewall is 4.48" vs 4.16" for the stock size tire, am I figuring this correctly?
When I viewed the tire size calculator on the web, the 285/40 circumference was 2" more than the 235/45.

http://www.miata.net/garage/tirecalc.html
 
Hers some pics of my '95 Cobra "R" style wheels with 45mm offset 17x9 made for the '05.....
Nitto 450 extreme's 255/50 all around total diameter is nearly exact to stock setup

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Here's a before shot
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kd05gt said:
JM2005:

Any reason you didn't go with 275/50 Nitto's all around? I'm still trying to find out if they will fit...

Yours looks great...

Thanx kd05gt

Just a personal preference, but the 275/50's will easily fit the 17x9's with no problem. They will fit fine on the car as well as long as you keep the factory offset(45mm). If you go with the 275/50's they'll be slightly taller than than stock but it shouldn't be enough to cause much error in the Speedometer. If you go 275/45 they'll be slightly shorter than stock in total Diameter.