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Been thinking about the 14 to 16.00X20 upgrade on my M923A2. Aside from the obvious "run flat" and weight difference...any input on pros and cons having run flats in them?
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I have some 14.00 runflats. They are harder to come by. the composite ones are on ebay for the 395s for around $50 each. Most places like eastern will sell you a lot of 60 of them for $1 on ebay.I guess I'll have to let air out of the tire and see how flat it goes to know if I have them in there. Where can you get them? And are they a lot?
Darn, Cledus. That's one of your better ideas. Well thought out.When you have a blowout on a steer tire with a 16.00 you are going to drop 14 inches to the ground. Try controlling that because you can't . Rear tires it does not matter as they go down you don't have many handling issues but on the front with those big tires you want em. Or atleast get the composite 395 runflats and put them in a 14.00 or 16.00 tire. Not as heavy as the big rubber ones in the 16.00s but you still have some control when it goes down on that smaller runflat. Plus they are lighter and easier to put in with their 3 bolt design.
Heard this from someone who knows a heck of a lot more about this than I do. Someone who trades tires on a daily basis. In volume.
When running 16.00’s, if you do not use a runflat to keep the beads seated tightly, the sidewalls are so so rigid, they can leak slowly if you are running them low on air, he claims they can go flat overnight if you are running low psi in them. Basically not running 80 psi in them, you risk flats sitting or possibly while running. Key word “can” not “will” ... very few absolutes in life.
My back can’t take 80 psi in my 16.00’s, so, runflats in all.
Thats something I never thought of. That’s a selling point for me for sure.When you have a blowout on a steer tire with a 16.00 you are going to drop 14 inches to the ground. Try controlling that because you can't . Rear tires it does not matter as they go down you don't have many handling issues but on the front with those big tires you want em.
I disagree. Just because something is a good idea isn't sufficient justification to mandate it.IMHO, and I will always say, run-flats should be mandatory on ANY vehicle over 10,000 lb. GVW. Losing a steer tire at highway speed is scary in a passenger car. It's an absolute NIGHTMARE in a larger vehicle. One that is towing is yet another level of terror. Europe used to require them in the steer tires and I think they have now made them mandatory in all ( apologies if incorrect ). Either way, when I switch to tubeless of any size they WILL all have run-flats. Stepping offnow. Happy Motoring !
Not toWell I have to say that this is something I had not considered as far as the big truck goes. But I can see the advantage of having the front wheels with run-flats so I think I'm going to Source a couple.
Rough trip.I want run-flats for me. I encourage everyone to use them.
A steer tire blowout is an experience....
That said, the blowout that was the most difficult for me to control was driver side middle axle. Super single M923A2 with an M925A1 on towbars behind it. Both trucks were loaded. Speed 50ish. This was the 3rd blowout of the trip, one of them being passenger side steer tire at 65mph.
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