Greetings All. New member here. I have a G100 that I purchased in '99 I believe. It's been a while since I've used it but just got a 2016 Tacoma that needs some love. My question is about the backing plate. It's 5 inches across. I'm hoping to be able to use the 5 inch polish and finish pads without have to purchase a new backplate. I think the 6 inch would hang over a bit. I thought I would ask you folks before I order. Thanks in advance.