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Hi,

As for over / understeer does it make any noticeable difference on a GTST if fronts are either 235 or 245?

I read that most people recommend 235 at the front, so is there any downside to 245?

(Rear will be 255)

Thanks

Edited by Torques

Only issue is to make sure you have proper clearance between tyre and guard, and wishbone. That includes when the thing is on lock.

They are a front-heavy car and ultimately will benefit from a bit more rubber on the road. For 100 percent road use you may not notice a huge difference though.

Hi,

Thanks ..

The 245 do fit with just a slight rubbing issue on full lock and cornering on the right side only.

I could remove the splash guard or just tread that area with a heat gun and push/mould the plastic back a bit.

The wheels I bought are GTR wheels and came with 245 all round (but need to be replaced)

Rear is fine with 245/45, and 255 40/45 should just about fit without any drama.

Edited by Torques

Go the 245's on the front mate, you shouldn't have any issues. If you want to knock off some under steer, grab some stickier tyres and maybe dial in a little more camber if you can which will also help with guard clearance.

Yeah i have run all sorts of tyre combos and am in the middle of working on a new one... Tyre brand and type will make more difference than tyre width in a lot of cases...

On my street rims XT7 8.5f 9.5r

235f 265r worked well for street use

255f 265r worked well for street and some track

255f 275r worked pretty good but rear clipped the guard on big bumps and turns

Currently going 265f and 265r on GTR rims and that is a mission! These are proper semis though! :D

265's fit perfectly on BNR34 rims. I run them on my GTT (all 4 corners).

Hello,

Are you on r34 GTR rims or R33?

I got the R33 rims which are 9'' wide and I think the R34 ones are 9'' as well?

Hello,

Are you on r34 GTR rims or R33?

I got the R33 rims which are 9'' wide and I think the R34 ones are 9'' as well?

Hey mate. My R34 Gtt has R34 GTR rims (9in wide) with 265/35's all around. No issues with rim/tyre combo for me.

The R34 GTR rims are 9'' wide by 18''

But if you say 265 is no issue then that would leave me with more options.

Do you have a close up picture?

Is there any ballooning?

The R34 GTR rims are 9'' wide by 18''

But if you say 265 is no issue then that would leave me with more options.

Do you have a close up picture?

Is there any ballooning?

Last pic is of the same rim+tyre on a R33 GTR.

post-100746-14020883035392_thumb.jpg

post-100746-14020883644712_thumb.jpg

post-100746-14020885813582_thumb.jpg

Hi,

I could go 265/40/17 at the rear but would have to roll the lips of the arches.

Then it would be 235/45/17 at the front to have the same diameter at both ends.

That combination is the same diameter as your 265/35/18 but on 17''

The trouble is, that there is a very limited number of tyres in 265/40/17.

http://www.tyreleader.co.uk/car-tyres-265-40-17/

So I am marvelling if I should not rather stick with 245/45/17 all round.

I'm unsure if 265 at the rear will vastly improve the ride / tractionbut it sure would have the looks ..

Here's how it looks with 245/45 .. needs to be lowered 1cm.

post-33912-0-45388800-1402741342_thumb.jpg

For track, the usual recommendation is to fit the narrowest recommended tyre for the rim. In many cases on a 9in rim this will be a 225, but you need to check what the tyre manufacturer says is the rim recommendation for the specific size. Eg, on http://www.federaltyres.com.au/tyres/high-performance/595 the options would be 225/35ZR18 225/40ZR18 245/45ZR18 255/55R18.

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