Originally Posted by Z K
I'd still have the car on jack stands even if you aren't going under the car. You may not get crushed but your car will definitely get damaged if the car falls and you can get injured as well.
Floor jacks are not designed to hold the car up for extended periods of time. They are on wheels and can roll or slip.
Agreed, hence my confirmation. So something like these? http://www.harborfreight.com/3-ton-h...nds-38846.html