They are confused, it's a 3-71 more than likely, but possibly a 3-53 if they are really confused.

The 92 series was only offered as a V type engine, with 6, 8, 12, or 16 cylinders
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-