'The 383' ~ Getting Those True Factory Horsepower Ratings
Dartnut said
I think the carbs were too small.
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That would be correct.
Mopar had tested the 383 with an Edelbrock {#DP-4B} Dual-Plane High Rise and with a Holley 780 CFM {Vacuum Secondary} Carburetor.
They found an increase in Horsepower of {+22 HP} @ 4800 RPM's.
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