Cylinder Block Assembly: Specifications

Bore 89.9 mm (3.54 inch)

CYLINDER BLOCK
Cylinder Bore Diameter
Standard 89.900 - 89.915 mm (3.539 - 3.540 inch)
Repair Max. 90.150 - 90.165 mm (3.549 - 3.550 inch)
Out of Round 0.014 mm (.0005 inch) Taper 0.03 mm (.0011 inch)
PISTONS
Piston Diameter 89.87 - 89.90 mm (3.538 -3.539 inch)
Piston Ring Groove Depth No. 1 3.1 mm (0.122 inch)
Piston Ring Groove Depth No. 2 3.1 mm (0.122 inch)
Piston Ring Groove Depth No. 3 3.5 mm (0.137 inch)
PISTON RING GAP
Compression Ring No. 1 0.20 - 0.35 mm (0.007 - 0.013 inch)
Compression Ring No. 2 0.20 - 0.40 mm (0.007 - 0.015 inch)
PISTON RING WIDTH
Compression Rings 1.5 mm (0.059 inch)
Oil Ring (Steel Rails) 3.5 mm (0.137 inch)
CONNECTING RODS
Bearing Clearance 0.026 - 0.054 mm (0.001 - 0.002 inch)
CRANKSHAFT
Main Bearing Clearance
Radial 0.030 - 0.052 mm (0.001 - 0.002 inch)
Axial 0.100 - 0.266 mm (0.003 - 0.010 inch)
Balance Shaft Bolts 20 Nm (15 ft. lbs.)
Charge Air Cooler to Supercharger 20 Nm (15 ft. lbs.)





Connecting Rod Bolts
Stage One 5 Nm (4 ft. lbs.)
Stage Two 25 Nm (18 ft. lbs.)
Stage Three 90° Clockwise
Damper Bolt
Stage One 200 Nm (148 ft. lbs.)
Stage Two 90° Clockwise





Main Bearing Journal Cap Bolts
Stage One M8 20 Nm (15 ft. lbs.)
Stage Two M8 90° Clockwise
Stage One M10 30 Nm (22 ft. lbs.)
Stage Two M10 90° Clockwise
Supercharger to Cylinder Head Bolts 23 Nm (17 ft. lbs.)