interesting 743 hp non supercharged, sbc build

Grumpy

The Grumpy Grease Monkey mechanical engineer.
Staff member

dart 18 degree heads, 250cc ports, a cam with .700 lift, 421 cubic inches, 12:1 compression, 1000 cfm carb
ported super vic intake

if they had selected a tunnel ram with dual 650cfm carbs they could, very likely
, if the combo was tunned correctly,
pick up an added 40 plus hp
 
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