Quote:
Originally Posted by Formulas
There has been a time or two when i saw a thumper cam in a engine or two on a dyno testing heads or intake so the center of attention was not the cam and the HP and torque was impressive to the seasoned operators much to my suprize
they are possibly overlooked / dismissed and underestimated due to its advertised sound effects
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They are good cams in the correct application. Sometimes folks think they bleed off cylinder pressure due to the longer exhaust lobe. They actually due the opposite.... But you are correct they can make good power.