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Front Tyres on R34 GTR, fitment, etc, *question*

Kinkstaah
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Kinkstaah Grand Master

Kinkstaah

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I have a question with regards to R34 GTR guards.
All the info here is quite old. Useful, but old.

At what point does the bumper itself become a clearance issue with wide wheels on a R34 GTR, specifically the part I've drawn in red here:

image.thumb.png.b7d4f64c1626815e549f02bc1e004b00.png

All of the info that people post about implies that 285 is as far as you'd go before scrubbing becomes an issue, but they speak of hitting the inner plastic liners, not the bumper itself.
Just how wide could you go if you took the liners out?

Has anyone done it? I have been messing with my own car and spacers and heavily cursed my lack of planning, but I might not feel so bad if there's actually no gains to be had by going a GTR guard and front bar combination for $5k+ of money I do not have after spending about that much already on my solution which now has problems. (Woo)

At least I now know why GTR guards and bumpers flare out like this over their GTT lesser cousins.

image.thumb.png.310873a146898a886fc55b8937dd76c6.png

I feel that in 2024, someone has gone further and attempted to run 315's or somesuch on the front of a R34 GTR.
If you have, please post. If you're tried and failed for some other reason definitely post so I feel better about my mistakes :D

Duncan Grand Master

Duncan

Posted
Posted

I don't know the answer with a 34, but for sure the standard bumper location is the limiting factor with a 32, that is where the larger diameter tyres I was trying to run were rubbing (noting I had already rolled the guard lip)

niZmO_Man Grand Master

niZmO_Man

Posted
Posted
On 06/06/2024 at 5:50 AM, ianp said:

I had 295s on mine when I had a 34 and they didn't rub and that was with Nismo coilovers

Do you have any pictures? Love to see chunky tyres on our cars.
Guards were made for 300mm slicks so let's see them chonky bois!

Kinkstaah Grand Master

Kinkstaah

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17 hours ago, ianp said:

They were 19*11 +25 with a 10mm spacer to clear the shocks. Tyres from memory were 295/35/19

One of my questions about this was how/if the R34 GTR strut is different to the R34 GTT (I mean it could easily be).

In my car, the 18x9+30 feels like it is 0.0001mm from the strut with a 265 on it. Given a 10.5 +15 is closer to the strut than an 18x9+30, it would certainly foul... surely

I am encouraged that a 19x11+25 would need a spacer to clear the R34 GTR suspension arms at least!

ianp Enthusiast

ianp

Posted
Posted
3 hours ago, Kinkstaah said:

One of my questions about this was how/if the R34 GTR strut is different to the R34 GTT (I mean it could easily be).

In my car, the 18x9+30 feels like it is 0.0001mm from the strut with a 265 on it. Given a 10.5 +15 is closer to the strut than an 18x9+30, it would certainly foul... surely

I am encouraged that a 19x11+25 would need a spacer to clear the R34 GTR suspension arms at least!

It only needed a spacer because it was the Nismo struts with the external resevoir, if it had been regular coilovers, it probably would have been ok

Kinkstaah Grand Master

Kinkstaah

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Posted

That's the thing I don't get is the issue is not the shocks in the 34 GTT......

image.thumb.png.2cd31e56ac389c37ba211feb1461e7a2.png

I assume the GTR geometry is different here.

SQUARE PEG IN ROUND HOLE WHY WON'T YOU WORK!

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