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Tyre Sizes - Rough Guide Thread

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27 Sep 2017 21:19 #184596 by Busta
Generally speaking narrow but tall tyres are far better off-road than wide ones. 195mm /7.5inches is plenty wide enough for a vehicle as light as a Jimny but unfortunately the choice of decent narrow tyres is small because the majority of 4x4s are twice as heavy as a Jimny and people think wide tyres are cool.
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28 Sep 2017 17:02 #184616 by Riccy

jackonlyjack wrote: eerm no lol 29"205/80 a little more for the225's <1/2"
i don't want to buy twice the 215/80 around 30" is what i'd like
and 750<or> 32" will need trimming i'm sure
will be buying new NO re treads this time ;)
add: 30/9.5/15 29"
but i do like the 70's pram look :laugh:


I think the 750 32" size is what Brett/maverick runs on jalapeno. Gets away with the height (useful) as they are narrow (70's look), therefore they seem to perform pretty well. You would need to ask him about lift and/or rubbing tho

J999 MNY, ULYSSES M18 VVT with ITB's Dyno tested at 130hp

Pickup/tipper, R7me gearbox & 6.4 Rocklobster, 31" Toyo MT, 2x ARB air locker 3.9 diffs in braced axles, 6" total lift, Floating rear conversion, Raptor painted, CB, Recaro's, Caged, etc, etc...

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09 Oct 2017 17:51 - 09 Oct 2017 17:51 #185013 by furo
Hello gurus,

I have recently installed a 2" trailmaster lift and just got a set of 215/75/R15 General Grabber AT3s fitted this afternoon (2004 Jimny). I'm running 7.5" wide steel wheels and from reading this thread it seemed the jury was out on whether the 215s might scrub or not.

Unfortunately, pulling into the petrol station on my way back from the garage I went over a very minor dip in the road and both front tyres scrubbed :(

If I replace my wide wheels with stock steelies will this solve my problems? And will the 215s fit the wheels fine? Where is it on the arch that the scrubbing usually happens? These things never go smoothly haha!

Thanks in advance!

2004 Jimny Mode: General Grabber AT3s (215/75/R15); Trailmaster 2" Lift; Jimnybits Snorkel; Jimnybits Front and Rear Recovery Points; Suntop Roof Rack; AVM Manual Hubs; Stainless Steel Exhaust System (SOLD)
Last edit: 09 Oct 2017 17:51 by furo.

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09 Oct 2017 18:11 #185014 by jackonlyjack
Yes the tyres will fit standard wheels
as for where yours are rubbing just let them catch a few more times
and it will become evident
then make a decision to trim or not ;)

Jack

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09 Oct 2017 18:21 #185016 by Riccy
go for Dan's trim look ;-)

J999 MNY, ULYSSES M18 VVT with ITB's Dyno tested at 130hp

Pickup/tipper, R7me gearbox & 6.4 Rocklobster, 31" Toyo MT, 2x ARB air locker 3.9 diffs in braced axles, 6" total lift, Floating rear conversion, Raptor painted, CB, Recaro's, Caged, etc, etc...

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10 Oct 2017 06:22 #185033 by 1066Boy
Replied by 1066Boy on topic Tyre Sizes - Rough Guide Thread
215/75/15 with a 2" lift should be no problem. Have you got front mud flaps?

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10 Oct 2017 09:27 #185045 by furo
Yes I do have mudflaps. After posting yesterday I realised the garage had inflated the tyres to 30psi so I deflated them to 23psi and went over some big speed bumps and they didn't scrub, so I'm not sure if that has fixed it?

2004 Jimny Mode: General Grabber AT3s (215/75/R15); Trailmaster 2" Lift; Jimnybits Snorkel; Jimnybits Front and Rear Recovery Points; Suntop Roof Rack; AVM Manual Hubs; Stainless Steel Exhaust System (SOLD)

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10 Oct 2017 16:03 #185058 by 1066Boy
Replied by 1066Boy on topic Tyre Sizes - Rough Guide Thread
I run mine at 20psi front and rear. 15psi doing proper offroad. Remember the larger the tyre, less pressure required. :)

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10 Oct 2017 16:12 #185059 by furo
Ah I did not know that! Thank you.

2004 Jimny Mode: General Grabber AT3s (215/75/R15); Trailmaster 2" Lift; Jimnybits Snorkel; Jimnybits Front and Rear Recovery Points; Suntop Roof Rack; AVM Manual Hubs; Stainless Steel Exhaust System (SOLD)

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05 Jan 2019 17:00 #200055 by Davofn
Hi Everyone,
I'm the owner of a 2017 Jimny, all stock, trying to get good mods for it!

About tyres, I saw a lot of people putting 215/75/15 and I always wonder about performance.
I agree most of Mud tyres are on this size and the extra clearance will be an advantage but how about off road usage?

I take for granted on road the car will be slower, just for the extra weight and size but I'm interested about sluggishness, slowness during offroad.
Is 215 good for that or although extra clearance, everything else will be worse? climb slopes? will be the 4W-L too long?

thanks in advance!

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05 Jan 2019 17:43 #200056 by Riccy
215 isnt that much bigger. Its a common choice because of tyre availability at a decent price and choice. The gearing isnt greatly affected. 235 can be run (i know of one lad who does and he manages ok off tarmac, but it is slow on the road).

Mine had 215 BFGs on when i bought it, so i dont have any real comparison to the standard size, but this link should give you some idea what the change will be:

tiresize.com/tyre-size-calculator/

You can then start to look at changing the gearing with grimjeeper.com (all the gearing stats are in the wiki on this fine site ;-) )

J999 MNY, ULYSSES M18 VVT with ITB's Dyno tested at 130hp

Pickup/tipper, R7me gearbox & 6.4 Rocklobster, 31" Toyo MT, 2x ARB air locker 3.9 diffs in braced axles, 6" total lift, Floating rear conversion, Raptor painted, CB, Recaro's, Caged, etc, etc...

www.youtube.com/user/riclemus

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