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What are typical cam specs for a tunnel ram on small block Chevy?

Typical cam specs for a tunnel ram on a small block Chevy engine may vary depending on the specific engine build and desired performance characteristics, but here are some common camshaft specifications:

1. Intake Duration: 240-260 degrees at 0.050" lift

2. Exhaust Duration: 250-270 degrees at 0.050" lift

3. Intake Lift: 0.550" - 0.650"

4. Exhaust Lift: 0.550" - 0.650"

5. Lobe Separation Angle (LSA): 108-112 degrees

These camshaft specifications are just general guidelines and can be adjusted to suit specific engine configurations, cylinder head flow characteristics, and desired power band. It is always recommended to consult with an experienced engine builder or camshaft manufacturer to select the optimal camshaft for your specific engine setup.