MSD Pro Mag rotor phasing

Discussion in 'PSI Superchargers Tech Questions' started by Blown Altered, Aug 14, 2008.

  1. Blown Altered

    Blown Altered New Member

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    Thanks to all who posted on my previous question about my hard starting Pro Mag 44. I have tried all suggestions with no luck. A few guys talked about rotor phasing. I have a spare cap I drilled a hole next to number 1. To check phasing do I just shoot a timing light at the rotor firing on number one thru the hole in cap? If so at what part of the cap terminal should the mag be firing?
    Thanks Todd
     
    #1
    Blown Altered, Aug 14, 2008
  2. Mike Canter

    Mike Canter Top Dragster
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    I normally paint a white dot on the middle of the rotor and a white dot on the edge of the hole in the cap directly out from the number one post to make alignment easy and exact when viewd with a timing light. This makes my rotor exactly opposite #1 post.
     
    #2
    Mike Canter, Aug 15, 2008
  3. Dale H.

    Dale H. Member

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    This exact rotor phasing can only be done when a crank trigger is used, not the mag trigger.
     
    #3
    Dale H., Aug 15, 2008
  4. pop

    pop New Member

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    dale ck your pm's
     
    #4
    pop, Aug 17, 2008
  5. Dale Finch

    Dale Finch Member

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    If you go to the promag website http://www.msdpromag.com/ there is a great video clip of what you should be looking for. We ran ours off of the mag and later the trigger. It also describes how to set it with a six shooter if you ever want to run one.
    thanks
    Dale
     
    #5
    Dale Finch, Aug 17, 2008
  6. Blown Altered

    Blown Altered New Member

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    Thanks again to everyone for the ideas....This is a great website!
     
    #6
    Blown Altered, Aug 17, 2008

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