grid question

Discussion in 'PSI Superchargers Tech Questions' started by tc1216, Aug 10, 2017.

  1. tc1216

    tc1216 Member

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    Hi all, some info first, Pro mag 44, p/n 81401, box p/n 8147, coil p/n 8142.
    I want to put a grid on car, p/n 7720.
    1) do I need a crank a crank trigger?
    2) do I need a 7730 controller?
    Thx for any info. Tom.
     
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  2. superpro453

    superpro453 Member

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    Don't you mean p/n 7730? That's the System Controller.

    P/N 7720 is the Ignition Control which you don't need if your using the Pro Mag.

    You don't need a crank trigger, tho' it is highly recommended.

    Martyn
     
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  3. tc1216

    tc1216 Member

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    I think I got my numbers mixed up. so, I need p/n 7730. Thx.
     
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  4. slowpoke96z28

    slowpoke96z28 Member

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    Why not go on and get the crank trigger too?
     
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  5. badd57

    badd57 Member

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    I was using a 44 mag only, timing was all over the place , installed a crank trigger timing now steady as a rock.
     
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  6. CGarcia007

    CGarcia007 New Member

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    anyone have a msd 7730?
     
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  7. Randy G.

    Randy G. Top Alcohol

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    For sale? I have them in two different race cars if that's what you mean.
     
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