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Will These Fit Guys?!

fane

By fane,
in Western Australia

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fane Mentor

fane

Posted
Posted

ok been talking amongst my mates and we dont know whether they will fit

18x8.5s +17 offset on R33 GTS-t fronts - (im sure the rears will be fine)

what do you guys reckon?

will i have to roll the guards? is it hard? where my front bar hooks up to the quarterpanels (closest to the tyre) is already dodgey because I have ripped the front bar off a few times in the past.

what do you guys think? is there any sort of online calculator that someone has made? :rofl:

cheers

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NickR33 Grand Master

NickR33

Posted
Posted

I've currently got 18x9" +30 on the front of mine and they fit perfect... yours will sit almost the same (less width but more offset) you will need to be running some neg camber tho... around 1.5º should do it... and maybe a 225 tire for added clearance (I run 235's)

SKYRYAN Grand Master

SKYRYAN

Posted
Posted

I have 18x9" +30 on the front of mine too. Fills the guards nicely.. I'm using 235s

I assume +17 will just stick out a little more, but your rims will be half an inch thinner.

I reckon they'll fit easy, unless I don't know what I'm waffling on about. (I don't)

fane Mentor

fane

Posted
  • Author
Posted
I have 18x9" +30 on the front of mine too. Fills the guards nicely.. I'm using 235s

I assume +17 will just stick out a little more, but your rims will be half an inch thinner.

I reckon they'll fit easy, unless I don't know what I'm waffling on about. (I don't)

yeh im hoping i can get away with stretching a tyre over them - im going to full lock the car later today and see where it is closest... i dont know what camber i have atm

fane Mentor

fane

Posted
  • Author
Posted
yeh im hoping i can get away with stretching a tyre over them - im going to full lock the car later today and see where it is closest... i dont know what camber i have atm

so if your offset is 30 and mine is 17 that means mine should poke out 13mm more than yours IF we had the same width rim but considering mine is .5 of an inch skinnier and there are 25.4mm in an inch that means mine are 12.7mm skinnier

so can someone confirm that mine (by my math - it might be wrong) is going to poke out .3mm more than your rims NickR33... is that right?

hehe thanks

Ehgriez Mentor

Ehgriez

Posted
Posted

Your maths is almost right but you have to realise that half of that 12.7mm is going to be on the inside of the rim. So your rim will be 6.35mm further in due to width but 13mm further out due to offset.

Net effect is 5.65mm further out. If you run a skinnier tyre and theres no issues with rubbing then it should be fine...

Steve Grand Master

Steve

Posted
Posted (edited)

will definately need to pump the guards for legal fit - plus your track will be illegal (but bloody close) which should only be a problem if you go over the pits and they measure them.

You will probably need to run a 215 tyre or the tyres may rub - or you pump extra and remove the inner guard (plastic) or fit glass wider guards.

Getting similar offset on the rear will require rather more massaging of the guards than the fronts (just in case you were thinking of going down that path)

I believe Tech9tyres can pump guards for you if your not up to it, they used to a while back.

Edited by Steve
fane Mentor

fane

Posted
  • Author
Posted
will definately need to pump the guards for legal fit - plus your track will be illegal (but bloody close) which should only be a problem if you go over the pits and they measure them.

You will probably need to run a 215 tyre or the tyres may rub - or you pump extra and remove the inner guard (plastic) or fit glass wider guards.

Getting similar offset on the rear will require rather more massaging of the guards than the fronts (just in case you were thinking of going down that path)

I believe Tech9tyres can pump guards for you if your not up to it, they used to a while back.

rears are 18x9.5 at +25

thanks for the advice bud

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