Hi,
I was in the Marine Corps for many years and was a mechanic in the Motor Pool and know from experience that may of these "surplus" engines are new replacements and some are engines pulled from vehicles and replaced for a variety of reasons... some as simple as needing an injection pump or a lifter went bad or crankshaft seal etc. If the parts wern't on the warehouse shelf and they needed the truck ASAP... if there was a new engine on the shelf... it got the complete new engine and the "old" one, went in the container box and sent back to supply depot...thats how some of these engines wind up as "surplus" And yes, some of them look "new" as they may not have more than just a few hours on them. My advice is try to inspect before you buy... turn the engine over, check compression, look for missing parts like IJ pump, lines, etc.
Scott K<br /><br />\'79 Chevy K30 Crew Cab Dually from Arizona, Resto Project with conversion from 7mpg 454 to \'82 6.2 J. Pulling fact SM465, NP205, 4.56 cogs, Dana60 frnt, Dana70HD rear. Looking for good used turbo and OD