Black Mamba SR vs NR Racing 285-211 cam.

Bob kart

Member
Which cam is a stronger performer? Those of you'll that have experience with both cams could you give your experience with both cons and positive experiences. Black Mamba 275 lift; duration 246 and LSA 108 degrees.
NR Racing 285 lift cam; duration 250. LSA? Both will be on a Hemi Predator with milled 0.65 thousands and 0.50 valve reliefs on piston. Spring is limited to 26lbs.
 
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