I don't know that you'll need a steering damper, I didn't on my 1 ton with an axle from a 3500HD.

I do have a few different damper setups from the 3500HD and P30 axles I have.. haven't felt the need to install one though.

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-