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Liftkit and death wobble

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18 Nov 2024 19:21 #258384 by mlines
Replied by mlines on topic Liftkit and death wobble
Just a thought on the 7" rims, what is the offset?

If they are too offset outwards they will stress the bearings and any imbalance could be exaggerated by the offset

Martin

2003 M13 early KAP build.
3" Trailmaster lift with 1.5 Spacers on front
Customised winch bumper and roll cage
235/85R16 Maxxis Bighorns on 16" Rims, 4:1 Rocklobster, Rear ARB locker and on-board air
Corrected arms all-round, rear disks, Recaro seats and harnesses

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18 Nov 2024 22:43 #258387 by fordem
Replied by fordem on topic Liftkit and death wobble

A question: is it unwise to mount 235’s on a 5,5” wide wheel?
 

Most tire manufacturers will recommend 6" as the minimum rim width for a 235 tire.

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19 Nov 2024 01:32 #258389 by Bob9863
Replied by Bob9863 on topic Liftkit and death wobble
235/75/15 tires?

Out of curiosity, is there any particular reason that you put it on 235/75 R15
tyres? That's a pretty extreme up-sizing unless you're doing some pretty serious off-road work.
 

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  • Lambert
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  • The quickest Jimny in Harrogate...(that I own)
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19 Nov 2024 04:26 #258390 by Lambert
Replied by Lambert on topic Liftkit and death wobble
Not really. The standard gen4 gets a 195r15 which is notionally the same as a 215.75r15 which happens to be the smallest size you can get a km3 in and 235.75r15 is their next smallest and about the limit for the standard gearing.

Temeraire (2018 quasar grey automatic)
One of the last 200ish of the gen3s, probably.
ADOS Attention Deficit Ooooh Shiny!

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19 Nov 2024 07:24 - 19 Nov 2024 07:25 #258392 by yakuza
Replied by yakuza on topic Liftkit and death wobble
I am using BFG MT 235 75 15 on my original jimny alloys wich I think is 5.5 wide. Been doing that for many years so the tires are now almost worn out. Not having any problems at all with that except they where difficult to align when new as I said earlier.

Even wear on them now as they reach their (my) wear limit, and havent been off the bead with very low tyre pressure offroad like 0.4 bar.

Cant be recommended when it is outside the specs of the suppliers I guess, but works fine for my use. Must be approx 40000km so far.
would not hesitate to do the same sizes again.

Norway 2005 Jimny M16A VVT, 235 BFG MT, 2" Trailmaster, ARB rear lck, 17%/87% high/low gears.
Last edit: 19 Nov 2024 07:25 by yakuza.

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19 Nov 2024 16:20 #258411 by fordem
Replied by fordem on topic Liftkit and death wobble
One of the advantages of a wide tire on a narrow rim is it's less likely to "debead", one of the disadvantages is it's more likely to "crown" and wear the center of the tread which can probably be compensated for by reducing the inflation pressures, which increases the chances of it debeading. There are compromises & trade-offs which ever approach you choose.

My personal preference is to go with the tire manufacturers recommendations, and since rims with a lug pattern to suit the Jimny are hard to find in my corner of the world, I've chosen to stick with the factory alloys and a 215/75R15 tire for now, I'm a newcomer to the Jimny platform, my experience is with the Vitaras & Grand Vitaras, and as I become more familiar with the Jimny I may choose to go wider & taller.

I have contemplated swapping the 235/70R16s that I have on my GV over to the Jimny, just to see how they would fit, check for interference - maybe the next long weekend I have.

I agree with Lambert's comment on 235s & standard gearing, based on GV experience, where I'm hesitant is braking - again, based on GV experience, going from a 27 tire to a 29 has a huge impact on braking, the stock brakes on my JC74 are not that inspiring

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