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  1. Black_Sheep

    What is your timing curve?

    It makes more power @ 38 with good fuel, but I can't always run good fuel.
  2. Black_Sheep

    What is your timing curve?

    20 initial/36 total all in @ 2500 and no vacuum advance.
  3. Black_Sheep

    Are you ready for a real weird one? Random NO spark from a MP electronic ignition system despite numerous parts swapped around...

    I had intermittent no spark years ago and it turned out to be an internal break in a wire on the pickup coil. I found it by connecting an ohm meter to the leads on the pickup coil and flexing the wires.
  4. Black_Sheep

    SW Electric Oil Pressure Gage Issue

    SW’s website lists the ohm values for senders in their troubleshooting section. I think Sixpactogo nailed it…
  5. Black_Sheep

    Electric choke killing ignition!

    You are not alone…
  6. Black_Sheep

    Timing mark jumping around

    If you can find someone with an old Sun distributor machine you could have them test it out of the car. Isolating it that way will tell you if it’s the distributor or something with the engine. Too much end play or sloppy bushings in the distributor will cause timing variations, so will worn or...
  7. Black_Sheep

    Plug wire brand recommendations

    I like MOROSO wires, the boots hold really securely and they stand up to the heat coming off the headers…
  8. Black_Sheep

    Long cranking time to start

    The ignition switch in the GTX had high resistance in the run position, it still ran but had a high rpm misfire and an overcharging condition. After replacing the switch I disassembled the old one and found the lube inside was like tar. I found the same thing when my hazard light switch was...
  9. Black_Sheep

    Long cranking time to start

    Videos are not working for me
  10. Black_Sheep

    Long cranking time to start

    As Geoff pointed out, in the video it sounds like it’s firing when the ignition switch goes from crank to the run position. An easy check would be to run a jumper wire from the battery to the coil + terminal and see if it fires up while cranking. Even better, if you have a voltmeter check...
  11. Black_Sheep

    69 B body parking light/ fender mounted turnsignal question

    If the front turn signals function correctly it’s probably safe to assume that the grounding is good. I would start by unplugging the 2 pin connectors at the lights and checking for voltage at the female side of the plug on the forward lighting harness. If no power is present, check for voltage...
  12. Black_Sheep

    Does mini starter need an external relay?

    I purchased a mini starter from a local rebuilder, 20+ years and still running strong…
  13. Black_Sheep

    Bypassing the ignition?

    It’s easier to connect to the relay on the firewall, not the solenoid on the starter.
  14. Black_Sheep

    Msd 6AL key power, no crank power

    Good to hear that you got it fixed. When I swapped to a 6AL I gutted the ballast resistor and soldered a length of wire in place of the resistor to provide full voltage in the crank and run position.
  15. Black_Sheep

    Electrical issues with pictures battery cable

    I bet most mass produced cables have cast ends. Crimp on cable ends are usually made of harder material.
  16. Black_Sheep

    Electrical issues with pictures battery cable

    Thanks for coming back and sharing the solution, that way others can learn from your experience.
  17. Black_Sheep

    Electrical issues? NOW WITH PICTURES AND INFO

    Continuity with an ohm meter is no assurance that your cable is capable of handling the current while cranking.
  18. Black_Sheep

    Ground Thread

    I would suggest an 8 gauge firewall ground to the head or block for good measure. Aluminum is a good conductor so if the aluminum heads have the same extra bolt hole at the rear of right head that factory iron heads do, that’s as good a place as any. Good grounding can prevent a multitude af...
  19. Black_Sheep

    Blue dot taillamps? 68 Charger?

    Not really period correct for a muscle car, but you do you…
  20. Black_Sheep

    Plug wire holders with headers

    I used plug wire looms from a mid 90’s Ram 360. They slide over and lock securely on a 1/4” stud and can be found in 2, 3 and 4 wire configurations. Up front I use the factory retainers…
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