Operation CHARM: Car repair manuals for everyone.

Valve Spring

GENERAL SPECIFICATIONS
Intake Valve Spring Free Length 48.514 mm (1.91 inch)
Exhaust Valve Spring Free Length 48.514 mm (1.91 inch)
Intake Valve Spring Assembled Height 40.08 - 40.87 mm (1.578 - 1.609 inch)
Exhaust Valve Spring Assembled Height 40.08 - 40.87 mm (1.578 - 1.609 inch)
Valve Spring Out of Square 1.98 mm (0.078 inch)
Intake Valve Spring Compression Pressure at Specified Height
Standard Value 347-383 Nm 39.86-40.4 mm 256-282 ft. lbs. at 1.56-1.59 inch
Exhaust Valve Spring Compression Pressure at Specified Height
Standard Value 347-383 Nm 39.86-40.4 mm 256-282 ft. lbs. at 1.56-1.59 inch
Tappet Gap Allowable [a] 1.803-4.343 mm (0.071-0.171 inch)
Tappet Gap Desired [a] 2.311-3.385 mm (0.091-0.151 inch)


[a] Measured at valve stem with hydraulic lifter collapsed