Originally Posted by ChrisSlicks

I was doing the same thing. I had a Craftsman trolley jack but after I lowered my car I couldn't use it anymore without "pre-jacking" with the car jack to raise it 3/4 of a inch, it was a total PITA. The clearance on these jacks is 3 inches and change, so just do a little measuroo to confirm clearance and you're good to go. They only weigh about 20 lbs.