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  1. Mach 1 Spitfire

    Shift cable Questions

    Fellow boaters, I have been reworking my outdrive area and decided to change the shift cable. Haut Medoc said to lube it well and so I decided to take it a step further and buy a new quicksilver shift cable with support tube. Well, my original inner cable is a little larger in diameter than the...
  2. Mach 1 Spitfire

    Thunderbolt IV ignition output signal

    Boaters, I was wondering what the output signal from the distributor should look like. Analog or Digital. Usually analog on most ignition signal generators. With a shop lab scope or DVOM, and if the distributor was spun, what type of output signal will be produced at the two terminals. Will the...
  3. Mach 1 Spitfire

    Distributor shaft worn

    Hi again, I have a 1991 4.3 roller cam Mercruiser engine. I pulled the distributor to perform some maintenance on the manifold. In doing so, I found out that the lower bearing surface of the distributor's main shaft is worn so the distributor drive gear can move side to side. I need a complete...
  4. Mach 1 Spitfire

    Mercruiser Ignition Interrupt

    Hello boaters, Does anyone know how the ignition interrupt works in the Mercruiser system? How does it instantly kill the ignition for a moment and have it still work when fully in gear?? My switch works good, I checked the continuity and it is good. It just looks like that when the switch...
  5. Mach 1 Spitfire

    Mercruiser ignition interrupt

    Hello boaters, Does anyone know how the ignition interrupt works in the Mercruiser system? How does it instantly kill the ignition for a moment and have it still work when fully in gear?? My switch works good, I checked the continuity and it is good. It just looks like that when the switch...
  6. Mach 1 Spitfire

    Mach 1 boats

    Boat Professionals, Does anyone have any in-depth historical information on Freedom boats and the Mach 1 boat line. I have an 18' 1991 Mach 1 spitfire. I am restoring it right now and it will be a pretty cool rig for this summers fun on the lake. Thanks:)
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