Offset

Rob E · Postby **Rob E** » Thu Aug 16, 2007 4:40 pm

Personally i like 15x7 and around +25-30 on an NA. Requires bending of the inner guard only with a 195 series tyre and a low ride height and fairly aggresive alignement.

Those MX5 Plus wheels are BBS RG-F which are a Japan only forged wheel. They are an excellent wheel and at +33 you should be fine without having to bend the inner lip. I am on 15x7 +35 at the moment and the car is quite low. Get a couple of degrees of neg camber and you wont have a problem. if you want to run 205-215 it could be different story.

kula · Postby **kula** » Thu Aug 16, 2007 4:46 pm

i run 15x8 +30 and its fine

Adam_NAclubman · Postby **Adam_NAclubman** » Thu Aug 16, 2007 4:49 pm

Standard wheels for a NA are I think a 6 (or is it 5.5... I think NA8 is 6?) inch rim with a +45 offset. This means the hub face is 45mm towards the outside of the wheel from the centre of the rim. As you lower the offset, the hub face goes back closer to the centre of the rim, and the edges of the rim go closer to the outside of the body of the car.

A 7 inch rim with a +17 offset is about as far as you can go till you need to lip the guards, this would be about a +12 for a 6.5 inch wide rim or a +6 for a 6 inch rim. Or ~ +30 for an eight inch rim. 6 to 6.5 inch wide seems to give the best handling feel I've found

The other thing to remember is weight, the handling and feel of the car depends a lot on wheel weight. Lighter wheels also make the car much easier to take off from the lights, put heavy wheels on and you end up having to use more revs and a bit of clutch slip

Rob E · Postby **Rob E** » Thu Aug 16, 2007 5:11 pm

kula wrote:i run 15x8 +30 and its fine

Kula, what tyre?

kula · Postby **kula** » Thu Aug 16, 2007 6:21 pm

195/50/15
and about -2.5 camber:)

but, i want to get spacers to push it out more..

kula · Postby **kula** » Thu Aug 16, 2007 6:21 pm

195/50/15
and about -2.5 camber:)

but, i want to get spacers to push it out more..

green_comet · Postby **green_comet** » Fri Aug 17, 2007 10:20 am

Hey Kula, how did you manage to stretch the 195 RE001's on a 8inch wide wheel??

When I got my 8inch wide wheels, I ordered a set of RE001's but the guy couldnt get them to stretch onto the wide rim, so I had to go with another tyre that would stretch easier.

15x8 0 offset

AB7 · Postby **AB7** » Fri Aug 17, 2007 11:17 am

hmmm sportmax 002......love them

Babalouie · Postby **Babalouie** » Fri Aug 17, 2007 11:52 am

Pumpn'Go wrote:Nice dish ,How come all the places I looked for 15" wheels at only had 6.5" to 7" wide and all had heaps of offset that killed the dish?

Really dished wheels are very non-mainstream, because they can't fit on FWD cars. So there are really only a few (mainly US and Japanese) options when it comes to dished wheels and you have to order them from overseas. There are some local options tho like Performance Superlites but I think if anything they have too much dish to fit

kula · Postby **kula** » Fri Aug 17, 2007 12:01 pm

had no problems puttin the tyre on the rim..
they streched fine. unless my wheels are like 7 or something:P
but i doubt it...

i previously had kumho ecsta spts on the same rims and they went on no problems either..

i know people runnin 195s on 8.5 with no issues...

i think you need to find a different tyre fitter..

i got the work wheels here actually, but they came from yahoo japan.

Rob E · Postby **Rob E** » Fri Aug 17, 2007 1:21 pm

Babalouie wrote:
Pumpn'Go wrote:Nice dish ,How come all the places I looked for 15" wheels at only had 6.5" to 7" wide and all had heaps of offset that killed the dish?

Really dished wheels are very non-mainstream, because they can't fit on FWD cars. So there are really only a few (mainly US and Japanese) options when it comes to dished wheels and you have to order them from overseas. There are some local options tho like Performance Superlites but I think if anything they have too much dish to fit

Another option is the German Borbet T Design which i quite like. Available in a 14x8 et 15 and 20

TonyMax · Postby **TonyMax** » Mon Sep 12, 2011 4:10 pm

Adam_NAclubman wrote:Standard wheels for a NA are I think a 6 (or is it 5.5... I think NA8 is 6?) inch rim with a +45 offset. This means the hub face is 45mm towards the outside of the wheel from the centre of the rim. As you lower the offset, the hub face goes back closer to the centre of the rim, and the edges of the rim go closer to the outside of the body of the car.

A 7 inch rim with a +17 offset is about as far as you can go till you need to lip the guards, this would be about a +12 for a 6.5 inch wide rim or a +6 for a 6 inch rim. Or ~ +30 for an eight inch rim. 6 to 6.5 inch wide seems to give the best handling feel I've found.

This post sums up what I was searching for quite nicely, we have an NA6 with stock suspension, so if we bought some 15 x 7 with +28 offset we won't need to roll the guards or anything?