Help! Safe method to raise car for header install

I used 8" solid concrete blocks under my rear tires and a jackstand/block combo under the fronts when I did my headers. I jacked the car up more and adjusted the front stands/blocks when sliding the headers up into place, but once they are in you need to lower it back down to be able to work under the hood. I never have been trusting of just ramps or jackstands, so I always use a solid block under the tires as a safety.


