Valve Stem Oil Seals

A rubber umbrella type oil seal is installed on valve stem before valve spring is installed.

VALVE SPRINGS

Engine

Free Length In. (mm)

PRESSURE Lbs. @ In. (kg @ mm)

Valve Closed

Valve Open

2985 cc

⁽¹⁾ 1.712 (43.5)

⁽²⁾ 64±2.6@1.480 (29±1.2@37.6)

.....

⁽¹⁾	Some springs are 1.811" (46.0 mm), depending on spring manufacturer.

⁽²⁾	On models with automatic transmission; 154±6 lbs.@1.122" (70±2.8 kg@28.5 mm).