I would think powder coating would be fine, but be sure to explain the whole idea to the guy doing it, so that on the parts that fit together he puts just enough on to do the job, and not so much that it causes problems.

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-