Originally Posted by 48jim1ton
...I was not sure if my my worn out bumpers were in constant contact or if they just stood ready should the cab tilt, anybody know?
I was also curious and found this in the shop manual. http://chevy.oldcarmanualproject.com/shop/1947truck/47ctsm0101.htm

"To prevent excessive freedom in the mountings, there are soft rubber stabilizer bumpers attached to the rear corners of the cab dirrectly over the frame side rails. Lightly compressed between the cab and the rail, they prevent any posibility of side sway or rocking motion in the cab."

Grigg

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-