Check out Pantera Place and Ed Nauman's Pantera Jacking System
http://www.panteraplace.com/page145.htm
Here are some pics of my version of this system. I use two el-cheapo auto store jacks and four basic stands that work fine.
I can get my car up on stands front and back alone and in less than 3 minutes!
My car is pretty low. So I made front and rear plates that match the frame and fit the hole in the top plate of the jack. This reduces a lot of the jack height. For the front jack I removed the wheels to save another 3/4".
See following pics.
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