Dynoed my cheap 383

niceolddart said
I knew 383s/400s were capable of good horsepower, & this proves it. Thanks

I was pretty surprised. I built one for a friend last winter. 383, 8.8 to 1, 906 heads with 2.14 1.81 valves, mild bowl port, Comp xe268, made 380 hp and 421 torque. With the stock intake and a 750 quick fuel carb