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  '64 1/2 to '73 -- The Classic Mustang
  Rotor Indexing

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Author Topic:   Rotor Indexing

Posts: 35
From: Granada Hills, Ca., USA
Registered: Jan 2001

posted 02-04-2001 11:00 PM     Click Here to See the Profile for PJHMustang   Click Here to Email PJHMustang     Edit/Delete Message   Reply w/Quote
The rotor in the distributor should be pointing directly at a terminal when the spark occurs. Unfortunately this isn't always the way it is. The procedure to correct this malady is referred to as indexing the rotor.
Does anyone have an easy way to achieve this? It is really easy on the Cheby but we weren't so lucky with our Fords. How about an adjustable rotor or an adjustable arm on the vacuum advance?
I posted this on another board and hardly anyone even read it let alone respond to it.
Ideas Alex?

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Posts: 17471
From: Lyons, IL, USA
Registered: May 99

posted 02-05-2001 12:35 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Pat, the way we do it is to drill a small hole in the distributor cap for sighting. We then locate the position of the rotor and file it to a point as necessary for indexing. This is the best method that I have found. On aftermarket distributors this is not a problem.

Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link

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