Different Heat Ranges on Plugs

Discussion in 'PSI Superchargers Tech Questions' started by ojh, Nov 4, 2024.

  1. ojh

    ojh New Member

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    I've gone from heads with water to billet hemi and I am wondering why there are different heat ranges if there is no water to pass the heat into? We were using -10 and I never tried a -11 to see if the EGT showed a change, now I am wondering if it would.
    Whats the story?
    Thanks, Oj
     
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