Tire Problem

bluepenguin

I have 2 mud buster 18-9.50-8 that I mounted on regular golf cart 8" rims. My problem is that they will not stay sealed on the rim after driving a block. The tire pressure says 10 psi max. Is the pressure to low?

Any help appreciated

BGW

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rmarcusy

On my Artic Cat ATV, I pump the tires up to 30psi to seat the beads, then let the air out to 8psi. I also use green slime,

bluepenguin

The bead seems to start out seated but after driving a block or two they unseat. The tire shop that installed them even used bead sealer but drove two blocks one tire lost seal the other lost seal when I was jacking up one side

rmarcusy

Sounds like you might have to put more air in them, if this was my problem I would keep adding more air until I find the lowest amount that will keep them seated.

bluepenguin

Any idea of a starting pressure?

scottyb

You may have a load that exceeds the tire weight carry capacity?
Like an ATV tire on an electric golf cart?

rmarcusy

I've read that it's safe to put 10lbs per ply,, so 2 ply tires are safe for 20lbs, 3 ply for 30lbs etc, I would keep adding two extra lbs until they stayed on. You are just going to have to exsperment. On my ATV I run low presure when going slow and clumbing rough ground. But when I'm hauling heavy loads or driving fast on dirt roads, I pump them up to 25-30.

bluepenguin

No its a gas cart. The tires were originally on an electric cart but the rims had a different bolt pattern than mine so I changed rims.

Thanks I'll do some experimenting.