Chevrolet 1500 Diesel Spied
 

LMK engine code
Engine angle is @ 72*
Aluminum heads and compacted graphite iron block
Compression ratio of 16:1
EGR
Catalytic converter and DPF
Urea injection
Common rail with piezo injectors
Chain driven dual overhead cams
6 speed 6L90E auto
9.5"ring gear in a semi floating rear axle
25% better economy than a similar gas truck *under light loads*
40-70% better economy than a similar gas truck *under work loads*