418HP 5.9 Magnum

Using our iron heads, 9.4:1, custom hyd. roller cam (around 210 @ .050) and our house 750 carb / TTI step headers is made 418HP and 437TQ.
It idles at 800rpm, very smooth with just a hint of a note...we also used Harland Sharp 1.7 rockers on it that are not adjustable...