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It time to get some new rubber on the beast.

At the moment Im running 225*45*17 all round.

(I think the wheel size is 17*7.5jj)

For some weird reason I suffer from a lack of traction at times...

Anyone got any recommendations on what size tyres to put on?

Would 245*40*17 all round be a decent choice?

or prehaps 245*40 at the rear and 225*45 at the front?

Or am I just better sticking with 225*45 all round?

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I'd be very careful. Changes to the rolling diameter can affect the TCS adversely and think its constantly slipping. Now of course if you drive with it off its doesn't matter.

Thanks for that.

According to the book at the tyre dealer the difference in diameter between both sizes is 4mm. You get more difference than that between a new and worn tyre so it should be ok I guess.

Why wouldn't you put the widest tyres you can fit and afford?

You might have different width if your rear guards can hold wider than your front ones as they do on a GTT but with 7.5" wide rims you're not where near too wide so put the widest sensibly possible on there.

Why wouldn't you put the widest tyres you can fit and afford?

 

You might have different width if your rear guards can hold wider than your front ones as they do on a GTT but with 7.5" wide rims you're not where near too wide so put the widest sensibly possible on there.

Ok, thanks.

That makes sense.

I assume that 245 is as wide as I should go on 7.5" rims?

Is there any particular reson to put the same width on front and back?

Ive seen a number of cars which are different from front to rear.

yeah the wider your tires on the front the more 'vague' the steering will feel.

ie. I wouldn't go over 235 wide on the front of my GTSt

Then again tyre brand and quality is more important than overall size for handling

245's will easily fit on 7.5" wide rims.

I am not sure if 255's would fit on 7.5" though?

But as Tony said 255 wide tyres fit on a skyline easily with no troubles.

I had 235 front and 255 rear before and it didn't bring up the slip light.

I'll be running 245 and 265 next month :)

Silly question maybe, but why would different sized tyres bring up the slip light?

Do you mean different sized front to rear ?(I could understand it, if they were different diameter), or just different sized from standar all round?

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