An interactive camshaft calculator where engine builders can see how valve overlap (and boost efficiency) is affected by a camshaft’s physical design. How to use MGI’s Camshaft Calculator When shopping for camshafts from different manufacturers, enter each of their supplied cam card specs into MGI’s Camshaft Calculator. Camshaft Calculator - Wallace Racing This Calculator will figure the duration and LSA of your camshaft using your inputs. Wallace Racing BACK to Calculators Use Advertised Durations - usually at .006" If you use .050" Duration numbers the opening/close will be at .050" Leading provider of high performance automatic transmissions, torque converters and drivetrain components for race, street/strip, hot rod, street rod and towing The duration is figured at .050" A Work in Progress. ET - HP Calculators; Convert ET To Today's Condition; 1/4 Mile Stats Calculator Camshaft Calculator - Wallace Racing This Calculator will figure the duration and LSA of your camshaft using your inputs. This calculator is mainly for wide open throttle and based on HP peak RPM range. We are pleased to share these helpful tools with our valued customers and guests. Wallace Racing BACK to Calculators Use Advertised Durations - usually at .006" If you use .050" Duration numbers the opening/close will be at .050" ! This calculator is mainly for wide open throttle and based on HP peak RPM range. Camshaft Overlap Calculator: Use Advertised Duration Numbers and the Lobe Separation Angle ... Back to Calculators. For Entertainment Only. A calculator to find all the necessary parameters of a camshaft. High Performance starts with math, precise measurements and calculations. Wallace Racing BACK to Calculators Use Advertised Durations - usually at .006" If you use .050" Duration numbers the opening/close will be at .050" Camshaft Calculator & Valve Overlap Profiles | MGI SpeedWare Free Horsepower Calculator Compression Ratio Calculator Race Math Formulas and Racing Math Resources. 1/13/2021 07:00:20 AM PONTIAC POWER RULES ! Calculate Camshaft Overlap From Lobe Centers and Duration. The camshaft can be thought of as the brain of the engine, and it has a very large effect on the amount of power an engine makes as well as where in the rpm range that power occurs. ! Wallace Racing - Intake CFM Requirement camshaft: roller tappet with less than 0.700 inch lift, less than 290 deg duration, lobe centers 109 to 112 for wedge / poly cylinder head, 113-116 for hemi head; cam index: straight up; do not run a cast camshaft core, only steel Summit Cam Timing Calculator. Calculators by Wallace Racing. A calculator to find all the necessary parameters of a camshaft. A calculator to find all the necessary parameters of a camshaft. The duration is figured at .050" A Work in Progress. For Entertainment Only. This calculator will help you rapidly determine the perfect camshaft for your application. In the upper area, calculate individual valve events and lobe centerlines by entering Intake and Exhaust Duration, Lobe Separation and Advance. Critics of stock car racing often use the familiar complaint that we are still racing using 1950's technology-namely carburetors, flat-tappet lifters and cam-in-block V-8 engines.