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  1. GN7 On the Dyno
    What can be done to keep them down? Heads have signs of heat, oil is cooking under piston. 1550 * EGTs from 5500-6000. Iron Eagle 345, no intercooler, 8psi, 900hp. 150* intake temp. low 12AFR cruising. Low 11`s @WOT 13,000# heavy boat . I thought about giving it more fuel. ( Northstar engine...
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