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| Dyno Results | ||||
| Camshaft Part # | 12-443-8 | Grind # | 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: | 356ci | 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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