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Home >> Oldsmobile >> 1975 >> Toronado Custom >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 260" BUICK, OLDSMOBILE & PONTIAC 350" & 455" OLDSMOBILE Exc. Omega >> Torque Specifications

Torque Specifications

TIGHTENING SPECIFICATIONS

Application Ft. Lbs.
Cylinder Head (1) 85
Intake Manifold (2) 40
Exhaust Manifold 25
Main Bearings (260" & 350" Exc. Rear) 80
  (260" & 350" Rear) 120
(455" All) 120
Con. Rod Caps 42
Balancer-to-Crankshaft Bolt 200-310
Crankshaft Pulley 20
Oil Pump-to-Bearing Cap 35
Oil Pump Cover 8
Oil Filter 20
Oil Pan 10
Engine Front Cover (3/8" Bolts) 35
  (Toronado) 50
Water Pump-to-Front Cover 13
Rocker Arm Studs-to-Head 25
Rocker Arm Cover 7
Fuel Pump-to-Block 25
Fuel Pump Eccentric-to-Camshaft 65
Engine Mounts-to-Engine 75
(1) Torque to 60 ft. lbs. and then 85 ft. lbs.
(2) Torque to 15 ft. lbs. and then 40 ft. lbs.