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Valve, Intake/Exhaust > < Mechanical Specifications

Aviator AWD V8-4.6L DOHC VIN H (2003)

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Valve Spring: Pressure, Vacuum and Temperature Specifications

Valve spring Compression pressure ...................................................................................................  711.47 N @ 26.19 mm (159.9 ft. lbs. @ 1.4228 inch)
Valve spring installed presure ..............................................................................................................  289.1 N @ 36.14 mm (64.99 ft. lbs. @ 1.4228 inch)
Valve spring installed pressure - service limit ................................................................................................  10 % pressure loss @ 28.02 mm (1.103 inch)

Valve, Intake/Exhaust > < Mechanical Specifications