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Classic Ford Mustang Ignition - How To: Rebuild a Distributor



How To Rebuild A Distributor Digital Ohmmeter
Weaknesses can be detected with a digital ohmmeter. Forget the bouncing needle version your dad gave you for Christmas in 1969-a digital ohmmeter narrows resistance to where it's easy to understand. Marvin's distributor blue-printing process begins with an analysis and before and after pictures to chart progress.		 How To Rebuild A Distributor Checking Resistance
Marvin checks all of the elements that weaken an ignition system. He checks resistance across a rotor and through the distributor cap.		 How To Rebuild A Distributor Rotor Cap
New rotors and caps should be checked right out of the box because not all are serviceable.
How To Rebuild A Distributor Rotor Cap
Resistance to the flow of high-energy electricity across a rotor needs to be minimal, around 0 to 1 ohms. This means virtually no resistance.		 How To Rebuild A Distributor Burned Contacts
Close inspection of the points shows badly burned contacts and abnormal rubbing block wear. These are good for about 12,000 miles of use at the most. Low quality kits with plastic bushings and unvented points don't even last that long.		 How To Rebuild A Distributor Removing The Distributor Drive Gear
Disassembly begins by removing the distributor drive gear.
How To Rebuild A Distributor Marked Gear Positioning
Marvin marks gear positioning, then drives the shear pin out and removes the gear.		 How To Rebuild A Distributor Removing The Ignition Points
After closely inspecting distributor condition and making notes, Marvin removes the ignition points, condenser, and primary lead.		 How To Rebuild A Distributor Weakness
Marvin looks for weaknesses in the ignition system. This primary lead, for example, is deteriorated. It's checked with an ohmmeter and resistance is unacceptably high. It is tossed and replaced.
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