The newer base has two different mounting positions for the post. It allows you to position the kingpin anywhere between 1" in front of the post to 7" behind the post. You can download the RVK3500 directions here and look at the different configura...
Depending on how your hitch is setup, you may be able to reverse the pivot arms and get the hitch head a couple of inches closer to the cab. Look at the section on "INSTALL PIVOT ARMS" in the instructions here: http://www.turnoverball.com/sites/defa...
I was just there last week. I filled up with diesel from the BP station at the intersection of Cherry Hill Rd. and Baltimore Ave. I had no issue with the fuel I got there.-Dave
