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Valve Springs

WARNING: This page is about a different car, the 1995 Ford Aerostar. However, it is still accessible from the selected car via links, so may be relevant.
  1. Measure valve spring installed height from surface of cylinder head spring pad to underside of spring retainer. If installed height is greater than specification, a .03" (.8 mm) shim can be installed between cylinder head and valve spring to obtain correct height. See VALVES & VALVE SPRINGS  table under ENGINE SPECIFICATIONS.
  2. Inspect valve spring free length and pressure. Replace valve spring if free length and pressure are not within specification. See VALVES & VALVE SPRINGS  table.
CAUTION: DO NOT install valve spring spacers unless necessary. Using more spacers than required can result in spring breakage or worn camshaft lobes.
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