Perkins Phaser Series - Page 65

PISTON AND CONNECTING ROD ASSEMBLIES 13
Connecting rods - Naturally aspirated engines:
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 'H' section, square shape small end
Location of cap to connecting rod . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Serrations
Diameter of parent bore for big end . . . . . . . . . . . . . . . . . . . . . . . 67,21/67,22 mm (2.6460/2.6465 in)
Diameter of parent bore for small end . . . . . . . . . . . . . . . . . . . . . . . 38,89/38,92 mm (1.531/1.532 in)
Length between centres . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219,05/219,10 mm (8.624/8.626 in)
Connecting rods - Turbocharged engines:
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 'H' section, wedge shape small end
Location of cap to connecting rod:
- Vehicle applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Flat joint face with dowels
- Non-vehicle applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Serrations
Diameter of parent bore for big end . . . . . . . . . . . . . . . . . . . . . . . 67,21/67,22 mm (2.6460/2.6465 in)
Diameter of parent bore for small end . . . . . . . . . . . . . . . . . . . . . . . 42,07/42,09 mm (1.656/1.657 in)
Length between centres . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219,05/219,10 mm (8.624/8.626 in)
Connecting rod bearings
Type:
- Naturally aspirated engines: . . . . . . . . . . . . . . . . . . . . . . . Steel back, aluminium/tin bearing material
- Turbocharged engines: . . . . . . . . . . . . . . . . Steel back, lead bronze bearing material with lead finish
Width:
- Naturally aspirated engines: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31,62/31,88 mm (1.245/1.255 in)
- Turbocharged engines: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31,55/31,88 mm (1.240/1.255 in)
Thickness at centre of bearings:
- Naturally aspirated engines: . . . . . . . . . . . . . . . . . . . . . . . . . . . 1,835/1,842 mm (0.0723/0.0725 in)
- Turbocharged engines: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1,835/1,844 mm (0.0723/0.0726 in)
Bearing clearance:
- Naturally aspirated engines: . . . . . . . . . . . . . . . . . . . . . . . . . . . 0,035/0,081 mm (0.0014/0.0032 in)
- Turbocharged engines: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0,030/0,081 mm (0.0012/0.0032 in)
Available undersize bearings . . . . . . . -0,25 mm (-0.010 in); -0,51 mm (-0.020 in); -0,76 mm (-0.030 in)
Perkins Phaser/1000 Series, April 1995 13A.17