Ok, I am in the process of ordering the wheels that I want. The sizes I can get are 17x7.5, +35 or +43 offset. What offset will be best for front and rear, and can I still run 225 in the front, 245 in the back? What profile should I run in the back with 245's?

Sorry, I've just been going back and forth between different options with this, and I'm finally down to ordering one. Any quick info would be appreciated. thanks guys

 

not sure about the offset, but i would go with a 40 series tires front and back and the sizes you already have listed 225 and 245..

 

Alright, will these tire sizes work with a +35 offset? Im about to order these, would just like a final yes/no

 

Im also concerned whether a 245 series tire will fit on a 7.5 inch wheel

 

The 35s should fit fine all around, and yes you can fit a 245 on a 7.5" wide wheel.

 

Excellent, thank you

 

Here would be my recommendations for tire sizes also:

Front: 225/45r17
Rear: 245/40r17

The rears are about the exact diamter as stock 105/60r15s, and the fronts would be only slightly shorter.

 

Alright, thanks man

 

nonononono. No 245/40/17 in the back. 245/45/17 is the limit on 7.5 inch rims... with 245/40/17, you will affect handling and plus the tire won't fit the rim right.

 

useing 215 x50 x17 with a + 45 offset

 

Goto Discounted Wheel Warehouse web sight , put in year and mazda type car info .. for infp H= offset ,2nd gen is typicallly @ + 45 - 40 - 35 ??

 

Those websites doesn't really tell you much. I know for sure that 17X7.5 35mm will work for sure because I'm running 17X7.5 40mm without an issue. I'm running 225/45/17 all around at the moment, soon to go 245/45/17 in the back.

 

Tire size options...
http://fc3spro.com/TECH/MODS/RT/tires.htm


-Ted

 

Yikes! Unsprung and rotating weight out the ears!

Just joking. I'm jealous of the grip and responsivenes you'll get with those wheels / tires.

I'm about to try an experiment with 15x6.5 vert wheels and 225/50/15 Yoko A0800R tires vs. my old 16x7.5 300zx wheels with 225/50/16 BFG Comp TA's. The Vert rims / tires are about 10 pounds lighter _each_ compared to the 16's! Only the autocross times will tell if I'm better off with smaller diameter and a lot less rotational moment of inertia.

 

I would love to do that, but im not gonna be autocrossing this car at all. Its basically being built to be a nice sports car to take out on the weekends. Thanks for all the help though guys, I'll let you see it soon.