I'd like to see how your swap is coming along and any troubles you've run into.

Had the brackets waterjet cut, cost me $40 each. Just the shape and holes, I'll turn the pilot. Probably cheaper to have plasma cut but I decided not to, I don't have a local contact for laser cutting so I didn't look into that.
The pilot or registering lip as drawn at 1/8" long is more generous than on the 2007 axle at approx 0.100". It could be longer than 1/8" but I see no need.

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-