Montana Owners Club - Keystone Montana 5th Wheel Forum - View Single Post

jetskier · 05-29-2020, 05:08 PM

If you take off the rear driveshaft, the 42-45mph hop goes away.

I did a test a few years ago. I still can't figure out why there is a frame harmonic associated with the spring stiffness that can't be fixed at this speed.

05-29-2020, 05:08 PM	#4
jetskier Montana Master Join Date: Aug 2018 Location: Minden - NV Posts: 501 M.O.C. #22360	If you take off the rear driveshaft, the 42-45mph hop goes away. I did a test a few years ago. I still can't figure out why there is a frame harmonic associated with the spring stiffness that can't be fixed at this speed. __________________ 2013 F350 Lariat Ultimate CC LB 2019 3790RD