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Old 04-26-2006, 12:06 AM
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wbain5280 wbain5280 is offline
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Join Date: May 2001
Location: Northern Va.
Posts: 3,386
It tells the engine computer where crank is in it's rotation. There is usually a gap, or an additional position, for cyl 1 TDC.

On older cars, such as my W126, it tells the EZK when to fire.


Currently 1965 220Sb, 2002 FORD Crown Vic Police Interceptor

Had 1965 220SEb, 1967 230S, 280SE 4.5, 300SE (W126), 420SEL


Not part of the in-crowd since 1952.
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