Are the 292 as commen as the 250? Thought i didnt see half as many on my hunts in yards but im sure if he looked he coulkd get a good one cheep. Always count on this place to expose all options. also 262, 267. and the 292 is a 4.8 ltr as apposed to the 194 3.2 ltr. here is a gm link

http://www.chevy-gas-diesel-engines....y-engines.html