Welcome to the JOF and congratulations on the Cardinal.
There maybe someone on the site that can help you (sorry, it isn't me), but you may need to keep a tape measure handy as a plan 'B'.
Sherm & Terry w/rescues Steve (std Poodle) & Eydie (min Schnauzer)
2015 Jay Flight 27RLS (Camped: 102 nights 2015, 90 nights 2016)
2006 Ford F350 6.0 PSD, Lariat, 4WD, CC, LB, SRW, auto., Camper pkg.