While I would never get underneath a vehicle supported only by jacks, I would never support a vehicle at all with concrete cinder blocks, even for changing a tire. They can easily crumble in that application, and with so many other things you can use instead, it's not worth it.
Dave
__________________
2000 2720SL & 2007 3124KB
2005 Toyota Sequoia
Twin Battle Born 12v 100Ah LiFePO4 (BBGC2) batteries, 300W solar on rear shell, Link 10, Lift kit, Maxxis 8008 225 75/R15 E tires
|