Xtreme Energyª
Benefits:
- Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve
- More vacuum allows a step up in duration for greater performance
- Best seller; excellent all around performance in street carbureted applications
Important Considerations:
- Work best with COMP Cams¨ roller rockers and matched valve springs
- Require other performance parts (intake manifold, headers, etc.) for best performance
Dyno Results
| Camshaft Part # | 12-234-2 | Grind # | XE256H-10 |
| Duration @ 0.006": | 256¡ / 268¡ | Duration @ 0.050": | 212¡ / 218¡ |
| Max Lift w/ 1.5RR: | .447" / .454" | Lobe Separation: | 110¡ |
| Lobe ID#'s: | 5441 / 5230 | Intake Centerline: | 106¡ |
| Engine Type: | Chevrolet 350 Small Block | ||
| Bore: | 4.040" | Stroke: | 3.480" |
| Displacement: | 356ci | Compression: | 9.25:1 |
| Heads: | Dart S/R | Intake: | Edelbrock Performer |
| Carburetor: | Holley #3310 Vac. Sec. | Exhaust: | 1 5/8" Headers |
| Max Torque: | 411 ft*lbs @ 3600 RPM | Max Power: | 330 HP @ 4700 RPM |
| Manifold Vacuum: | 18.5" Hg @ 800 RPM & 20" Hg @ 1000 RPM w/ no load. | ||
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