Just a update!! We dynoed the "Stock" 383. It made 371 hp at 5200 rpm and 439 ft lbs of torque. This is with a 212/218 duration at .050 cam. With regular old Performer manifold. And stock #17 heads.
Pretty excellent actualy. As most 400's with a 221/229 cam make about 370-385 hp at 4800 rpm and only 395-410 ft lbs of torque.
Overall I think it did very well! Right up there with the HP of a 400, but more torque! :-) And more rpm.
Be Cool,
Ace
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Am I glad I got out of the business I was in? HELL YEAH!!!
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