You have an 8.2 liter V8 4 cycle Detroit. They are decent engines while they run, but many people don't think they are worth rebuilding, a lot like a 3208 Cat in that respect, and similar size and HP.

This Yahoo group is helpful for all Detroits, but mostly 2 cycle.
http://autos.groups.yahoo.com/group/DetroitDiesel/

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-