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BIG - ish RED

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01 Apr 2017 18:57 #179823 by stimpy
Replied by stimpy on topic BIG - ish RED
But yes, in reality it may be that the Jimmy just doesn't suit 33"s and i will be finding this out.

I have previously always had sjs which ran on 31s (other than one on 35s :-)) - I like 31s - i find them a great compromise and would have been happy to find a Jimny with them on but this one came up and i thought i'd try it. I will be playing mostly with land rovers on 33s or bigger and often in deep ruts / sections so thought this may also give me a chance - mind you this was before i had a proper look at the ridiculously poor front radius arm design / location...

Basically I love zooks but should probably bought a green oval "cough"...

Oh, and it does look the tits.... xx

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02 Apr 2017 06:58 #179833 by 1066Boy
Replied by 1066Boy on topic BIG - ish RED
It was a cane trial with some deep mud sections and some rock sections. The Pro truck are just about indestructible and driven by drivers with deep pockets. They tend to just use the point and shoot approach. If that fails, add more power. :(
We all know that driving off road is as much about ground reading and approach than just hammering it. My jimbob is my daily driver so I plan each run carefully and it seems to work. Always having in mind that not only have I got to drive home at the end but get to work in the morning. :)

Jimny JLX Facelift model 2005.
Kashmir Blue Pearl Metallic.
2" lift with Procomp Es1000 shocks.
Diff and transfer box guards from Jimnybits.
215/75/15 General Grabber x3's
and a driver called Allan (1066Boy)

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03 Apr 2017 19:23 #179885 by TomDK
Replied by TomDK on topic BIG - ish RED

stimpy wrote:

TomDK wrote: But why those massive 33" tyres?? Do you really need them, or is it just to look cool down by the pub?


Yeah it's all for down the pub, I just wanna look cool. Will you be my friend?

Seriously mate...


Yeah.. seriously :)

I ask because big tyres on a tiny vehicle is not the answer to everything offroading.
One major issue with bigger tyres many people seems to forget is the weight if the tyres. 1 kg extra of rotating mass equals 10 kg's of extra weight in the boot. So with 4x tyres that each weigh 5 kg's more than standard tyres is like having 200 kgs of extra weight. It has a massive impact on the ability to spin the tyres and keeping them clean. Smaller lighter tyres that are clean are much better for offroading than big heavy tyres full of mud.

I've long been against those big tyres on a little jimny, and still is to some point. I've been competing against Defenders, Cruisers and Patrols on 33-38" tyres for the last 4 years. Always on 30" Special tracks. And a handful of 3rd 2nd and 1st places. So smaller tyres is not the issue. At least not here in Denmark where we have no rocks.

Learned about rocks in Croatia october last year, which made me come to the conclusion that perhaps I should consider 33" tyres.
So.. Ended up getting 4 new 33" Silverstone. 33x9.5 R16. Weighs in at only 19 kg's each compared to my old Remoulds which are roughly 23 kgs each. Also, the new tyres are only just about 32" tall.

+3" Trail Master. Fox 8.0" R/R shocks. ORA HD winchbumper. Warn M8274 Ox-motor + Hellfire gears, Delta-Tek mainshaft and freespool, overvolted. 33/9.5 R16 Silverstone Extreme. 5.14:1 ratio SJ transferbox in RW cradle. OMP rollcage.

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04 Apr 2017 20:43 #179915 by stimpy
Replied by stimpy on topic BIG - ish RED

TomDK wrote:

stimpy wrote:

TomDK wrote: But why those massive 33" tyres?? Do you really need them, or is it just to look cool down by the pub?


Yeah it's all for down the pub, I just wanna look cool. Will you be my friend?

Seriously mate...


Yeah.. seriously :)

I ask because big tyres on a tiny vehicle is not the answer to everything offroading.
One major issue with bigger tyres many people seems to forget is the weight if the tyres. 1 kg extra of rotating mass equals 10 kg's of extra weight in the boot. So with 4x tyres that each weigh 5 kg's more than standard tyres is like having 200 kgs of extra weight. It has a massive impact on the ability to spin the tyres and keeping them clean. Smaller lighter tyres that are clean are much better for offroading than big heavy tyres full of mud.

I've long been against those big tyres on a little jimny, and still is to some point. I've been competing against Defenders, Cruisers and Patrols on 33-38" tyres for the last 4 years. Always on 30" Special tracks. And a handful of 3rd 2nd and 1st places. So smaller tyres is not the issue. At least not here in Denmark where we have no rocks.

Learned about rocks in Croatia october last year, which made me come to the conclusion that perhaps I should consider 33" tyres.
So.. Ended up getting 4 new 33" Silverstone. 33x9.5 R16. Weighs in at only 19 kg's each compared to my old Remoulds which are roughly 23 kgs each. Also, the new tyres are only just about 32" tall.


Haha... So you've now purchased 33" tyres.... To go down the pub, i mean for rocks.....

Anyway, I do get you mate and like i said some of the best fun i've had was in pretty standard vehicles. I also understand the rotating mass issue but there are many horses for many courses. You also have to ask yourself why do all the top challenge vehicles run 35" or larger tyres? It's not all for down the pub - it's for clearance and tyre footprint. And whilst i commend you for your handful of podium places - you also have to question why so few in 4 years - could just be the other courses didn't suit a smaller tyred lower powered vehicle. Not meant cheekily that - just devils advocate!

Personally i have always tried to get as larger tyre as possible with as lower c of g possible and sorted the gearing / power from there. I do not always take this to extremes! And i do exercise sensible caution. I also go as wide as i go up or sometimes wider - but with consideration to land rover tracks!. Ultimately we want as much useable clearance as possible without getting too tippy and still being able to manage it from a reliability point of view...

So what shafts are you running currently? I see you're winched up too..

Oh, and yes, remoulds weigh a ton... And normally over measure on size. Where as it appears many genuine tyres measure under size. Mine are BFGs - came with the vehicle - and measure under 33..

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05 Apr 2017 07:23 - 05 Apr 2017 07:24 #179920 by TomDK
Replied by TomDK on topic BIG - ish RED
I have given it many thoughts, whether or not to go for 33" tyres. Ideally I want no bigger than 32". Was almost buying a set of Ziarelly remoulds that stood around 32.5" tall. But decided not to. They were almost 30 kgs each tyre.

Got my new Silverstones on wheels yesterday. The are 31.5" tall which suits me fine.
But as I wrote earlier, I have never had problems on the smaller 30" tyres here in Denmark.

Actually the Silverstones I got are only 9" wide. I decided to go for a bit narrower tyre hopefully for a bit lesser strain on the shafts and CVs compared to 10.5" Silverstones.

I run on 22 splines RCV shafts and joints. But considering going for 26 splines. Got my hands on a cheap set of TG CV Joints. Just needs the shafts :)

Reason for only a handful of podium places is that I need to be home to attend a competition. Am in the DanĂ­sh navy :)

+3" Trail Master. Fox 8.0" R/R shocks. ORA HD winchbumper. Warn M8274 Ox-motor + Hellfire gears, Delta-Tek mainshaft and freespool, overvolted. 33/9.5 R16 Silverstone Extreme. 5.14:1 ratio SJ transferbox in RW cradle. OMP rollcage.
Last edit: 05 Apr 2017 07:24 by TomDK.

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05 Apr 2017 23:46 - 05 Apr 2017 23:59 #179950 by Jezz
Replied by Jezz on topic BIG - ish RED
Both running 33s, Not down the pub, but looking good.
File Attachment:

My jimny is still on standard front shafts and cvs, I have uprated shafts and cvs for it, But i will not change them until i break one.

It's been fettled just a tad.
Last edit: 05 Apr 2017 23:59 by Jezz. Reason: spelling

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