Air gap versus MP M1?

MM article in summary: MP magnum 300 hp crate, stock Eddy mag heads, Comp hr 224/230 at .050, 573/568. Dyno pulls from 3000 to 6000, shown in 100 rpm increments. M1 did'nt catch up to the RPM air gap until about 5100. Peak torque:RPM 447, M1 428. Peak HP: RPM 420,M1 428. A few torque numbers: at 3000 RPM 403, M1 371. at 4000 RPM 440, M1 394. IMO, with this particular engine, the RPM walked all over the M1.