Engine Mechanical Specifications (RPO Code LD8)

ENGINE MECHANICAL SPECIFICATIONS (LD8)

Piston Rings
Piston Ring End Gap
First Compression Ring 0.250-0.400 mm (0.0098-0.0157 in)
Second Compression Ring 0.350-0.050 mm (0.0138-0.0020 in)
Oil Control Ring 0.250-0.760 mm (0.0098-0.0299 in)
Piston Ring to Groove Clearance
First Compression Ring 0.040-0.095 mm (0.0016-0.0037 in)
Second Compression Ring 0.040-0.095 mm (0.0016-0.0037 in)
Oil Control Ring None - Side Sealing
Piston Ring Thickness
First Compression Ring 1.199-1.203 mm (0.0472-0.0474 in)
Second Compression Ring 1.499-1.504 mm (0.0590-0.0592 in)
Oil Control Ring 2.530-2.555 mm (0.0996-0.1006 in)

Pistons and Pins
Piston
Piston Diameter @ 42 mm (1.6353 in) below Crown 92.957-92.972 mm (3.6597-3.6603 in)
Piston Pin Bore Diameter 23.002-23.007 mm (0.9056-0.9058 in)
Piston Ring Groove Inside Diameter
First Compression Ring 84.750-85.000 mm (3.3366-3.3464 in)
Second Compression Ring 83.400-83.650 mm (3.2835-3.2933 in)
Oil Control Ring 85.670-85.920 mm (3.3728-3.3827 in)
Piston Ring Groove Width
First Compression Ring 1.230-1.255 mm (0.0484-0.0494 in)
Second Compression Ring 1.530-1.555 mm (0.0602-0.0612 in)
Oil Control Ring 2.530-2.555 mm (0.0996-0.1006 in)
Piston to Bore Clearance 0.020-0.051 mm (0.0008-0.0020 in)
Pin
Piston Pin Clearance to Connecting Rod Bore 0.002-0.014 mm (0.0001-0.0006 in)
Piston Pin Clearance to Piston Pin Bore 0.002-0.012 mm (0.0001-0.0005 in)
Piston Pin Diameter 22.995-23.000 mm (0.9053-0.9055 in)
Piston Pin End Play
Piston Pin Length 61.500-62.000 mm (2.4213-2.4409 in)