Originally Posted by VCuomo

Nope, you'll be fine. Remember, the drain plug is at the rear of the oil pan, so having the car tipped up in the front will help to get all of the oil to the back of the pan where the drain is.

But don't check the oil level with the car tipped up on the ramps. Drain the old oil, change the filter, put the drain plug back in, put in a little less than 5 quarts of new oil, back the car off of the ramps onto level ground, let the car sit for a couple of minutes, then check the oil level and top off as necessary.