Camshaft Calculator
Calculate camshaft specifications including duration, lift, lobe separation angle, and overlap. Determine optimal camshaft for your engine performance goals.
Step 1: Camshaft Specifications
Understanding Camshaft Specs
Duration determines how long valves stay open, lobe separation angle affects engine characteristics, and advance/retard changes valve timing. These factors influence power band, torque curve, and idle quality.
Step 2: Additional Options
About Camshaft Selection
Street cams typically have 200-220° duration and 112-114° LSA. Race cams range from 230-280° duration with tighter LSAs (106-112°). Lobe separation affects idle quality and torque curve – wider LSAs produce smoother idle.
Camshaft Analysis Results
Estimated Power Band
Camshaft Profile Comparison
| Camshaft Type | Duration | LSA | Power Band | Idle Quality |
|---|
Camshaft Specifications
Camshaft Calculation Formulas
Overlap = (Intake Duration + Exhaust Duration)/2 – (Intake Centerline + Exhaust Centerline)
Intake Centerline = Lobe Separation Angle – Advance/2
Exhaust Centerline = Lobe Separation Angle + Advance/2
Power band estimation is based on duration, LSA, and engine characteristics.
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