I think the mounts are the same for the pump, but not sure.

I also think the frame is drilled for either steering gear box. I just worked on a friends 76 1600, and we were talking about all the holes in the frame, must be for many different options and configurations, so fewer frames needed to be stocked.

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-