Crown Victoria V8-4.6L SOHC VIN W (2005)
1. Measure the valve seat width. If necessary, grind the valve seat to specification.
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Measure the intake valve seat width.
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Measure the exhaust valve seat width.
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Recheck the valve spring installed length after the seats have been ground, and shim the valve springs as necessary to achieve the correct
installed spring length.
Valve Seat Runout
1. Use the Valve Seat Runout Gauge to check valve seat runout.