Pro Mag 12 with 20 upgrade

Discussion in 'PSI Superchargers Tech Questions' started by Vhodoo Racing, Dec 16, 2012.

  1. Vhodoo Racing

    Vhodoo Racing New Member

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    Howdy...

    Does anyone know of any issues or had problems with the Pro Mag 12 with the 20 upgrade?

    Cheers Pete
     
    #1
  2. Mike Canter

    Mike Canter Top Dragster
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    I know several cars with that Promag and they have no problems. Are you having a problem?
     
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  3. Vhodoo Racing

    Vhodoo Racing New Member

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    Hello Mike...

    No problems, I can get a good deal on one with two boxes. Thinking about it to replace the Mallory

    Cheers Pete
     
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  4. DQUES

    DQUES Member

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    Been running a mag 20 for years with zero problems .
     
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  5. Mike Canter

    Mike Canter Top Dragster
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    Pete it would be a great choice to replace the Mallory with the 20. With the 20 you would have to retard your ignition about three degrees from what you are running with the Mallory because the 20 has an auto compensator circuit that stops the timing from retarding when the mag is under load. The Mallory does not have that that circuit.
     
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  6. AFC357

    AFC357 New Member

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    Had Spud "hop-up" a 12 to 20 last year...ZERO issues!
     
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  7. Vhodoo Racing

    Vhodoo Racing New Member

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    Thanks everyone for the response, someone had told me that they had heard of issues but I now have the confidence to go ahead... Thanks for the timing tip Mike

    Pete
     
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