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Home >> Lincoln >> 2003 >> Town Car V8-4.6L SOHC VIN W >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly >> Valve Spring
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Valve Spring

Valve spring free length (intake) 50.2 mm (1.9763 inch)
Valve spring free length (exhaust) 50.2 mm (1.9763 inch)
Valve spring out-of-square limit (intake) 2.5 degrees
Valve spring out-of-square limit (exhaust) 2.5 degrees
Valve spring compression pressure (intake) 633.3 - 701.3 N @28.02 mm (1.1031 inch)
Valve spring compression pressure (exhaust) 633.3 - 701.3 N @28.02 mm (1.1031 inch)
Valve spring installed height (intake) 40.6 - 43.6 mm
Valve spring installed height (exhaust) 40.6 - 43.6 mm
Valve spring installed pressure (intake) 272.1 - 306.1 N @40.0 mm (1.5748 inch)
Valve spring installed pressure (exhaust) 272.1 - 306.1 N @40.0 mm (1.5748 inch)
Valve spring installed pressure service limit (intake) 274.6 N @40.01 mm (1.5752 inch)
Valve spring installed pressure service limit (exhaust) 274.6 N @ 40.01mm (1.5752 inch)
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