You will need to disconnect the drag link from one side. If you have some 1x4 wood around the house cut several 4" long blocks. When you jack the engine up simply place the blocks under the mounts and you will be able to work safely at Removing and Reinstalling your oil pan. If you can double up the blocks under the mounts by all means do so. If your mounts are really flat 2 blocks will easily slip under the mounts. The crank may need to be rotated in order to clear the rear counterweight. Do not get over zealous at removing the pan, it takes a certain twist to get it to come out. Be extra careful not to damage your new oil pan gasket when you slip the pan back in place.