520 cube BBM MotorTrend

I think @TomMoparMan 's new bullet is about the same size and makes more than that. Maybe he will chime in with some details.

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Had a 528 cu in made 844hp at 7200 684 tq at 5600 13.5 to 1 741 lift cam with tunnel ram 2 1000 cfm carbs 440-1 heads. New motor 572 cu in 877 hp at 7200 738 tq at 5500 14.5 to 1 693 lift cam same heads and intake set up