Couples de serrages & diamètres pour moteurs OMC

Engines OMC 120/153 GM

Number of cylinders: 4 cylinders

Displacement: 2.5L

Standard diameters

Pistons: 98.42 / Connecting rods: 50.8 / Bearings: 58.38

Tightening torque m. Kg

Cylinder head: 12.5 to 13.8 / Flywheel: 8.2 to 8.8 / Connecting rod: 4 to 4.5 / Bearing: 8.2 to 9.5

OMC Engines 185-220-225 230/305 GM

Number of cylinders: 8 cylinders

Displacement: 5 L

Standard diameters

Pistons: 95 / Connecting rods: 53.34 / Mains: 62.19

Tightening torque (m·kg)

Cylinder head: 8.8 / Flywheel: 8.2 / Rod: 6.2 / Main: 9.5

OMC Engines 155/225 GM

Number of cylinders: 6 cylinders

Displacement: 3.6 L

Standard diameters

Pistons: 95.25 / Connecting rods: 53.34 / Mains: 58.38

Tightening torque (m·kg)

Cylinder head: 9 to 11 / Flywheel: 6.32 to 6.9 / Rod: 4.2 to 5.5 / Main: 13.2 to 16.5

OMC Engines 140/181 GM

Number of cylinders: 4 cylinders

Displacement: 3 L

Standard diameters

Pistons: 101.6 / Connecting rods: 53.34 / Main bearings: 62.19

Tightening torque (m·kg)

Cylinder head: 12.5 to 13.8 / Flywheel: 8.2 to 8.8 / Connecting rod: 4 to 4.5 / Main bearing: 8.2 to 9.5

OMC Engines 210-215-225 230-235-245/307 GM

Number of cylinders: 8 cylinders

Displacement: 4 L

Standard diameters

Pistons: 98.42 / Connecting rods: 53.34 / Main bearings: 62.19

Tightening torque m·kg

Cylinder head: 8.8 / Flywheel: 8.2 / Connecting rod: 6.2 / Main bearing: 9.5

OMC Engines 250-260-270 290/350 GM

Number of cylinders: 8 cylinders

Displacement: 5.7 L

Standard diameters

Pistons: 98.42 / Connecting rods: 53.34 / Main bearings: 62.19

Tightening torque m·kg

Cylinder head: 8.8 / Flywheel: 8.2 / Connecting rod: 6.2 / Main bearing: 9.5

OMC Engines 175-190/302 FD

Number of cylinders: 8 cylinders

Displacement: 5 L

Standard diameters

Pistons: 98.42 / Connecting rods: 53.34 / Main bearings: 62.19

Tightening torque m·kg

Cylinder head: 8.8 / Flywheel: 8.2 / Connecting rod: 6.2 / Main bearing: 9.5

OMC Engines 165/250 GM

Number of cylinders: 6 cylinders

Displacement: 4 L

Standard diameters

Pistons: 98.42 / Connecting rods: 50.3 to 53.34 / Mains: 62.19

Tightening torque (m·kg)

Cylinder head: 12.5 to 13.8 / Flywheel: 8.2 to 8.8 / Rod: 4 to 4.5 / Main: 8.2 to 9.5

OMC Engines 330-335/454 GM

Number of cylinders: 8 cylinders

Displacement: 7.4 L

Standard diameters

Pistons: 108 / Connecting rods: 55.88 / Main bearings: 69.81

Tightening torque m·kg

Cylinder head: 10.8 / Flywheel: 6.2 / Connecting rod: 6.8 / Main bearing: 10.8

OMC Engines 170/229 GM

Number of cylinders: 6 cylinders

Displacement: 3.8 L

Standard diameters

Pistons: 95 / Connecting rods: 53.34 / Mains: 62.19

Tightening torque (m·kg)

Cylinder head: 8.8 / Flywheel: 8.2 / Rod: 6.2 / Main: 9.5

OMC Engines 235-240-250 /351 FD

Number of cylinders: 8 cylinders

Displacement: 5.8 L

Standard diameters

Pistons: 101.6 / Connecting rods: 58.7 / Main bearings: 76.21

Tightening torque m·kg

Cylinder head: 14.2 to 15.2 / Flywheel: 10.2 to 11.5 / Connecting rod: 5.5 to 6 / Main bearing: 13 to 14

OMC Engines 205/262 GM

Number of cylinders: 6 cylinders

Displacement: 4.3 L

Standard diameters

Pistons: 101.6 / Connecting rods: 57.14 / Mains: 62.19

Tightening torque (m·kg)

Cylinder head: 8.8 / Flywheel: 8.2 / Rod: 6.2 / Main: 9.5

OMC Engines 185/307 GM

Number of cylinders: 8 cylinders

Displacement: 4.6 L

Standard diameters

Pistons: 98.42 / Connecting rods: 53.34 / Mains: 62.19

Tightening torque (m·kg)

Cylinder head: 8.8 / Flywheel: 8.2 / Rod: 6.2 / Main: 9.5