Many years ago my buddy used hockey pucks for a 1" lift. After about 7~8 years a couple of them cracked apart and started to fall out, luckly we caught them before they completely fell out and the body fell down. These were actual "real" hockey pucks, not some cheapo's.
So after that we found the proper body lift blocks and they were the same price or cheaper than "real" ice hockey pucks. Figured why not use the proper product if the price is the same or less.....
So the pucks designed for body lifts I posted are 1.95 a piece. Looked at ***** Sporting goods and a regular puck is 1.99......
Could be bad pucks, all in all I've seen this many many times and done it several with no ill effects. The thought to me, is that body lift parts are a fiber reinforced plastic and not solid and do crack as well. I don't understand it but I have seen the larger 2 and 3 inch blocks crack on many occasion because of the material used.
I consider doing any modification, be it a lift of body or suspension one that requires routine maintenance and that means periodic inspection of said modifications. This is my safety for me and everyone on the road, by checking regularly for peculiarity or distortion or anything out of ordinary I keep an eye on what I have done. If people just throw ***** together n don't pay attention that's their issue.
Lets be reasonable about this, puck vs block and understand that trucks everywhere have shoddy work and bad cab mounts and cracked frames/chev's...
and so forth. It is because you noticed the blocks where distorting that you alleviated any issues.
My stock cab mounts are in a state of well...not the best condition, I'm aware of it and I check it frequently. When I install the poly bushing kit and lift kit, I'll be keeping an eye on that too..no different!
Just saying........you can do mods...just keep an eye on em!
JM2CW
Al