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JB74 Traction Improvements

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07 Jul 2023 08:31 #249774 by saxj
Replied by saxj on topic JB74 Traction Improvements

Trialling is somewhat of a different discipline. The Jimny is small and nimble which gives a big advantage on lots of trials. But they also lack articulation, ground clearance and can be stopped more easily on some terrain.


 
Remove the anti-roll bar and it flexes better than a Ranger Rover Classic
In the attached pic my 2012 Jimny with 50mm lift and no anti roll bar on the left, right is my 1984 SJ410 with OME Suspension.

1980 Range Rover Classic - 730
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07 Jul 2023 09:17 #249776 by 300bhpton

Trialling is somewhat of a different discipline. The Jimny is small and nimble which gives a big advantage on lots of trials. But they also lack articulation, ground clearance and can be stopped more easily on some terrain.



 
Remove the anti-roll bar and it flexes better than a Ranger Rover Classic
In the attached pic my 2012 Jimny with 50mm lift and no anti roll bar on the left, right is my 1984 SJ410 with OME Suspension.

1980 Range Rover Classic - 730
For me I'll be leaving the anti roll bar in place on the Jimny, it is my road car. I have a dedicated vehicle for trials.

Does the Jimny have anti-roll bars both ends? I can't recall. Either way suspension travel is quite a bit less in stock form vs a stock Land Rover.

I did a back to back test the other year of a Jimny against a Land Rover:


By the way, RTI is also about wheelbase not just suspension travel. A Range Rover has the same suspension travel as a Defender. I don't know the scores for a Defender, but you have 92.9" wheelbase on the 90, 100" on the RRC and 110" on the One Ten.

Not knocking the Jimny's, they are awesome. But out of the box less capable than a Land Rover, but more nimble which can even up the playing field. The TCS is a game changer vs open diffs. Although Land Rovers got TCS from 1998.

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10 Jul 2023 12:47 #249805 by saxj
Replied by saxj on topic JB74 Traction Improvements
It depends entirely on the situation. Deep ruts, the Land Rover wins. Most other situations, I'll take the Jimny thank you.

I have a friend who fitted a rear diff lock to his 90, purely because his wife was doing obstacles with her open diff gen 3 Jimny, which no matter how hard he tried, he couldn't get the 90 through. The 90 with the rear diff lock was absolutely unstoppable though.

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10 Jul 2023 13:41 #249808 by Grizzlie
Replied by Grizzlie on topic JB74 Traction Improvements
The picture of the stickers?

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10 Jul 2023 14:18 #249809 by 300bhpton

It depends entirely on the situation. Deep ruts, the Land Rover wins. Most other situations, I'll take the Jimny thank you.

I have a friend who fitted a rear diff lock to his 90, purely because his wife was doing obstacles with her open diff gen 3 Jimny, which no matter how hard he tried, he couldn't get the 90 through. The 90 with the rear diff lock was absolutely unstoppable though.
As an owner of both I'm not particularly biased either way. But I do seriously struggle to believe the claim a 90 needed a rear locker just to match an open diff Gen 3.

Have done lots and lots of trialling and setup over the years in quite a few different vehicles.

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10 Jul 2023 15:01 #249813 by Roger Fairclough
Throttle blipping and left foot braking allied to light weight and smaller size can go a long way to countering a locking diff.

Roger

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