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1987
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928 Standard
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Mechanical
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5.0L V8
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Engine Specifications
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Valve Timing Specifications
Valve Timing Specifications
VALVE TIMING SPECIFICATIONS
(1)
Application
Specification
Intake
Open (BTDC)
11°
Close (ABDC)
36°
Exhaust
Open (BBDC)
17°
Close (ABDC)
2°
(1)
Measured at .040" (1 mm) valve lift with 0.0 clearance.