5.7l Diesel V8

Firing Order 1-8-4-3-6-5-7-2
Compression Ratio 22.5:1
Bore x Stroke 4.057 x 3.385"
Horsepower...
78-79 125HP @ 3600 RPM
80-81 Truck Motors 125HP @ 3600 RPM
80-85 Car Motors 105HP @ 3200 RPM
Torque...
78-79 225 Ft. Lbs @ 1800 RPM
80-81 Truck Motors 225 Ft. Lbs @ 1800 RPM
80-85 Car Motors 200 Ft. Lbs @ 1600 RPM


4.3l Diesel V8

Firing Order 1-8-4-3-6-5-7-2
Compression Ratio 22.5:1
Bore x Stroke 3.5" x 3.385"
Horsepower...
78-79 90 HP @ 3600 RPM
Torque...
79-80 185 Ft. Lbs


4.3l Diesel V6 263 ci

Firing Order
Compression Ratio 21.6:1
Bore x Stroke 4.057 x 3.385"
Horsepower...
82-85 Engines 85 HP @ 3200 RPM
Torque...
82-85 Engines 165 Ft. Lbs @ 1600 RPM