Non projected plugs for nitrous? NGK?

Magnum Engine Swaps

  1. 67Charger

    67Charger Member

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    What is the part # for the non-projected NGK's for nitrous? 5.9L Magnum with a hughes steamroller cam.
     
  2. Garrett Ellison

    Garrett Ellison Amateur driver on public roadway, do not imitate.. FABO Gold Member

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    You didn't say how large of a nitrous shot but for a rough generalization these are 2 steps colder than a Champion 12 series
    https://www.ngk.com/product.aspx?zpid=10043
    2-1/2 steps colder than a Champion 12 series.
    https://www.ngk.com/product.aspx?zpid=10044
    And these are three steps colder
    https://www.ngk.com/product.aspx?zpid=45385
    I say "generalization" because whenever I've cross referenced NGK's heat ranges to other makes they tend to have a broader range. However, that's also been the projected tip plugs.
     
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    • Sprayed 416

      Sprayed 416 Well-Known Member

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      Ngk 4554 is a -8
      Ngk 5238 is a -9
      Ngk 5820 is a -10
      Ngk 6596 is a -11
      These are non projected 3/4 reach plugs with a gasket seat.
       
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      • turboking15

        turboking15 Well-Known Member

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        4644 is the bkr7e, thats what most forced induction guys run on the magnums.

        6962 is the bkr6e, standard na plug.

        5122 is the non projected plug. Br7e,
         
        Last edited: Jun 15, 2020
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        • 67Charger

          67Charger Member

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          Ok, so if the force-fed crowd is running just cooler than stock projected-tip BKR7E's, at what point do I need to switch to non-projected for N2O? I've got the plate setup for a 100 shot, and don't plan on passing a 150 shot. First hit is a week out.
           
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          • turboking15

            turboking15 Well-Known Member

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            bkr7e will be fine for 150 shot.
             
          • j par

            j par Well-hung Member

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            :popcorn:....
             
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