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V10 Valve Timing Check
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V-10 Engine

  1. Turn the crankshaft until the No. 6 exhaust valve is closing and No.6 intake valve is opening.
  2. Insert a 1/4" spacer between rocker arm pad and stem tip of No. 1 intake valve. Allow spring load to bleed tappet down giving in effect a solid tappet.
  3. Install a dial indicator so plunger contacts valve spring retainer (on No. 1 intake) as nearly perpendicular as possible. Zero the indicator.
  4. Rotate the crankshaft clockwise (normal running direction) until the valve has lifted 0.034". The timing of the crankshaft should now read from 10° before TDC to 2° after TDC. Use a protractor to read the timing because there are no timimng marks on the engine.
  5. If reading is not within specification limits:
    1. Check sprocket index marks.
    2. Inspect timing chain for wear.
    3. Check accuracy of TDC mark on timing indicator.

This page would not have been possible without the help of Hank LaViers,
who graciously loaned me his extensive Mopar engine library



Last Update: June 19, 2001