More Wheel Questions

[pintaline]

hi all, i found some wheels on holidays and they were too cheap to refuse... thing is, they're 17x8 front and 17x9 rear.

now ive noticed it being said that it's not a good idea to run different widths front to back but can anyone give me a definate answer? as for rolling diameter, i checked it out using http://www.miata.net/garage/tirecalc.html and if i use 215/50 R17 front and 235/45 R17 rear, it's pretty damn close to the orig specs.

can anyone see any reason this wouldn't be ok? the car is an RS4s and has 225/50 R17 at the moment. (standard RS4s wheels)

D.

[STAGE1]

Hi

I have been runing 17x8 front 17x9 rears with 235/45 x 17 all round with no problum.The tyres will go on both 8" & 9" the only notisable diferance is that the rear side wall dosen"t stand straight up (drift stile) like the front and because your using the same tyre all round the roling diameter is the same. I had to role the lip on the rear guards just to be on the safe side

Hope this helps

cheers

phil

[AlexCim]

I run 9's on the front and 10's on rear. Fit fine without much modification to gaurd (only just bent the inner lip up)

Seems to drive fine with 225/40 fronts and 235/40 rears.

[_Ryan_]

if you are concerned, just match the rolling diameter,

http://www.miata.net/garage/tirecalc.html

Cheers

Ryan

[DaveB]

Hi

I have been runing 17x8 front 17x9 rears with 235/45 x 17 all round with no problum.< snip > I had to role the lip on the rear guards just to be on the safe side

Hope this helps

cheers

phil

you had to roll your guards for 9's? What is your offset? I am about to fit '33GTR rims which are 9" wide and a 30P offset to a series 2... will I have to roll the guards?

[pintaline]

thanks everyone, we'll see how she goes.

D.

[datt0man]

Seems to drive fine with 225/40 fronts and 235/40 rears.

That isnt a good idea! get the same OD front & rear.

[AlexCim]

will I have to roll the guards?

No.

But, get them lipped anyway, useful in future.