You have it ceramic coated like this.
http://rides.webshots.com/photo/1490069089080251109gFXbnk

From what I've seen none of the do it yourself manifold coating or painting type kits last, ceramic coating is the way to go.

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-