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 Looking at the before and after horsepower graph, the solid lifter cam shows power flat and steady pulling right-up to the MSD 6,600 rpm rev-limiter. With the hydraulic stick power dropped-off after 6,000 rpm so we lifted at 6,300 rpm. Also, notice the power drops after 112 mph, yet it pulls steady to 130 mph with the solid stick. At that, we anticipated a measurable gain in trap speed at the strip.