If we could afford them the tire balls are bullet proff.I am going to be going to the hillbilly tire balls, tubes.The way I look at it is if when I demolition derbied"cars"I always had just tubes never got a flat and that was with all kinda crap being ran over Just used 6 ply farm truck tires.
I use a big truck tire sealant. it is sorta of a reddish pink color so it is easy to find so if you look your tires over and you have a pucture you can see the pink color. I put the stuff in all of my non car tires. it is 80 bucks for a 5 gallon bucket of it but have not had a flat yet
tubes all the wayhad in in the front of my machine since like 35okm and just put tubes in therear tires the other week
sumtimes my front tire would come off the bead because of me jumpin it and i wouldnt know until i put it on the truck or trailer
so thats why i say tubes all theway
I have used bergmans tire sealant some and slime(depends on which vechile and time it was put in). The slime works better then the bergmans from my experance but either one is better than no sealant in my opinion.The ac stuff and the highlifter stuff are the same product.Also I belive kawi product.They are all licenced to run the product but packaged differenty.I have heard great things about it and have herd it will help seal side wall leaks where the others wont.
I run slime as needed. Works great, I tore a big hole in my one of my rear stockers, patched it from the inside and slimed it and had no problems with it. I just put on new 27" Swamp Fox Plus's and had an issue with the rear tire going flat over night. Tried new stems, new rim, re-cleaning/seating of the bead and rim to no avail. Put in a bottle of slime and no issues.
Does make a hell of a mess, when it comes to changing the tires, so I prefer to keep nothing but air if I can help it.