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Gen 4 SZ5 Alloy wheels and 215/75/15 Toya Tyres - Balancing proving challenging

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  • J999 MNY Bashing around Carlisle
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15 Sep 2019 07:05 #213535 by Riccy
This website has lots of info about balance beads...

www.dynabeads.co.uk/

Ive just bought some ceramic ones from them to try after mixed results with the plastic ones from devon4x4

J999 MNY, ULYSSES M18 VVT
Pickup/tipper, R7me gearbox & 4.3 Rocklobster, 31" Toyo MT, 2x ARB 3.9 diffs in braced axles, 6" total lift, Floating rears with manual hubs all round, Raptor painted, CB, Recaro's, Caged, etc, etc...

www.youtube.com/user/riclemus

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15 Sep 2019 10:01 #213538 by Daniel30
Does the prewar car have inner tubes?

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15 Sep 2019 10:10 #213539 by yakuza
My tires also has a balancing issue at approx 55 mph / 80kmh.
I added a thicker shim to the lower kingpin and that improved the wobbling about 50% so that might be the issue, I have not done the complete king pin service yet.

Friend of mine balanced the wheels with the cone to perfection acc to the machine...
Maybe I could mount the wheels on a machined spacer with bolts next time to see if there is a difference.. The wheel will be centered on the spacers machined center hole.

2005 Jimny M16A VVT, 235 BFG MT, 2" Trailmaster, ARB rear lck, 17%/87% high/low gears.

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15 Sep 2019 23:47 #213558 by Max Headroom

Daniel30 wrote: Does the prewar car have inner tubes?


Yes it does.
I've heard of people using beads on very old cars with tubes before, but never actually met anyone using them... I therefore thought it might be a form of snake-oil :dry:


IF IT AINT BROKE, KEEP FIXING IT UNTIL IT IS

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16 Sep 2019 07:46 #213560 by Daniel30
Ah OK didn't think you could use them with inner tubes, I bet it is a pain getting them balanced :blink:

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16 Sep 2019 11:00 #213564 by Max Headroom

Daniel30 wrote: I bet it is a pain getting them balanced :blink:


I have Blockley Tyres just up the road from me - they specialise in classic and vintage car tyres and supplied both the wheels (which came from MWS ) and my tyres for the car, they can balance them so theres no big issue actually getting them balanced, but its further periodic costs and maintenance, so I'm now interested in the beads and how good they actually are.

As with all these things I find it better to speak to people actually using the product rather than someone trying to sell it, therefore getting first hand experiance from an independant non biased source


IF IT AINT BROKE, KEEP FIXING IT UNTIL IT IS

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16 Sep 2019 11:41 #213566 by RainerK
I did not find anything on dynabeads on how the interact with the tire pressure sensor. I understand, the the beads are on the outer circumference, but they generate dust, ...

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16 Sep 2019 21:41 #213583 by kirkynut

Max Headroom wrote: Kirkynut

sorry to hijack this thread momentarily, I may have asked this before (sorry grey cells are not what they were) have you had any issues with the balancing-beads at low speeds?
...or put another way, at what speed do they become effective? Or is it something that you don't really notice?
I'm considering balancing beads in my prewar car( lumps of weights added to wire wheels just looks very ugly)


No issues at all. Fit and forget.

I usually have a spare bag in case I get a puncture and the beads get lost during the repair or tyre change though.

They work by the time the car is at any speed where balancing is an issue as centrifugal force sorts them out to be in the right place. Given an inner tube presses up against the inside of the tyre I cannot think of a reason not to use them if you can get them through the valve but the ones from Devon 4x4 are too big to fit through the valve hole.

Kirkynut

The underdog often starts the fight, and occasionally the upper dog deserves to win - Edgar Watson Howe.

My Jimny Thread Here: www.bigjimny.com/index.php/forum/8-my-ji...on-continues?start=0

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17 Sep 2019 07:47 - 17 Sep 2019 07:48 #213594 by Max Headroom
Thank you for your comprehensive reply!

Well... I went ahead and bought some from Dynabeads UK - not for the pre-war car but the Jimny (the pre-war motor is way off being driven yet)

The 4x4 beads are bigger and, as you say, won't go down the valve stem so I've elected to use the smaller beads, the only difference being... they're smaller - probably easier to lose when the tyre gets changed though.
All the reviews I've read anywhere, are really very good.

I will get round to putting them in the vintage tyres once I've convinced myself :ohmy: :whistle:







IF IT AINT BROKE, KEEP FIXING IT UNTIL IT IS
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Last edit: 17 Sep 2019 07:48 by Max Headroom.

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17 Sep 2019 09:03 - 17 Sep 2019 09:04 #213597 by facade
In The Olden Days, balance weights for wires were small cylinders with a split up them that you slipped over the spoke near the nipple, and weren't obtrusive, sort of a rich man's version of just winding a bit of window lead round the spoke (which was how I used to static balance motorcycles :whistle:)

If I remember, I'll have a look at my New Motorcycle, it has wires, and I don't recall noticing any balance weights, but the rims are made from "corrodamatic" alloy so they could just be stick-ons that I haven't looked for.

If it suddenly breaks, go back to the last thing that you did before it broke and start looking there :)
Last edit: 17 Sep 2019 09:04 by facade.

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17 Sep 2019 09:19 #213600 by crash486
My dad first used a form of balance beads (lead shot in oil in a plastic torus) back in the 80's. He got rid of them. Here is an article from 2014 about bead balancing and the issue of not being able to balance laterally. Not sure if you would have this issue or not as it seems its prevalent in low profile tyres.
tundraheadquarters.com/bead-balancing-tires/

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17 Sep 2019 10:00 #213601 by facade
Wouldn't tyre slime have the same effect as beads? That doesn't wear the inside of the tyre (or "tire" if you have a Gen4) and it lubricates the inside if you have a puncture.

If it suddenly breaks, go back to the last thing that you did before it broke and start looking there :)

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