Mack MP8 Workshop manuals, engine specs, bolt tightening torques

Step 1 20 ±3 Nm (15 ±2 lb-ft)
Step 2 60 ±3 Nm (44 ±2 lb-ft)
Step 3 90 degrees ±5 degrees

Step 1 150 ±20 Nm (111 ±15 lb-ft)
Step 2 120 degrees ±5 degrees

Step 1 100 ±5 Nm (74 ±4 lb-ft)
Step 2 100 ±5 Nm (74 ±4 lb-ft) (Repeat of Step 2)
Step 3 120 degrees ±5 degrees
Step 4 90 degrees ±5 degrees

Displacement
780 CID, 12.8 liter

Bore
5.16 inches 131 mm

Stroke
6.22 inches 158 mm

Compression Ratio
16.0:1

Power
MP8 Different Power Ratings
From 265 kW, 360 hp
to 368 kW, 500 hp
@2000 rpm

Torque
MP8 Different Torque Ratings
From 1000 lb.ft, 1800 Nm
To 1500 lb.ft, 2400 Nm
@1500 rpm

Weight approx:
2646 lb, 1200 kg

Dimensions approx:
length - 1366 mm, 53.8 in.
width - 971 mm, 38.2 in.
height - 1170 mm, 46.1 in.