Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by josephn, Nov 27, 2000.
Is the 6.2L Diesel based on a big block core?
In the late 70's(?) and early 80's GM just modified a normal 350 a bit and called it a diesel engine. Since every car that ever had this engine was mentioned in the "World's worst cars" book, you can kinda guess it wasn't the best engine. The heads cracked and had other problems. The 379(6.2l) diesel is a whole different engine from the big block. The only simularity is their weight and that they are v8s.
Do you where I can read more about the history of the 379.
J**P...it's whats for dinner!
The 350 gas engine blocks didn't have strong enough webbing in the lower end to deal with the pressures created by a compression ignition engine. The crank ended up literally laying in the oil pan of many of those engines. GM screwed up big time with that fiasco.
The 6.2 diesel was designed and built from the ground up by Detroit Diesel, who at the time was a subsidiary of GM. It's a much heavier block and even had a roller cam. Too bad it couldn't hold a candle to the Cummins or the Powerstrokes.
<font color=black>HarryH3 - '75 K5</font color=black>
Separate names with a comma.