XR300HR-10, Camshaft Part#12-444-8 Dyno Sheet Camshaft dyno sheets   COMP Cams, Inc.® • 3406 Democrat Road • Memphis • TN • 38118 • US 1-800-999-0853

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Dyno Results Camshaft Part # 12-443-8 Designation XR300HR-10 Duration @ 0.006" 300 / 306 Duration @ 0.050" 248 / 254 Max Lift w/ 1.5RR .562 / .580 Lobe Separation 110 Lobe ID#'s 3318 / 3319 Intake Centerline 106 Engine Type Chevrolet 350 Small Block Bore 4.040" Stroke 3.480" Displacement 356 Compression 9.25:1 Heads Dart Sportsman II Intake Edelbrock Victor Jr. Carburetor Holley 750 dbl. pmp. Exhaust 1 3/4" Headers Max Torque 380 ft*lbs @ 4000 RPM Max Power 426 HP @ 6200 RPM Manifold Vacuum 6.5" Hg @ 1000 RPM & 9" Hg @ 1200 RPM w/ no load.

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