MOTORUN ENGINE TOOLS - PRO

Optimize 4/2-stroke engines with MOTORUN PRO, ideal for racers & daily use

Changes 3.2.5 : Repair Update Button

Add CFM demand

Add calculation corvert circle to oval shape porting polish

Add calculation corvert circle to stadium shape porting polish

Add calculation preload lift valve spring

Add calculation power to weight ratio

Add calculation fuel injection

Add calculation injector vs fuel pressure

APK Description:

MOTORUN ENGINE TOOLS PRO: Advanced 4-Stroke and 2-Stroke Engine Calculator

This comprehensive tool is designed to streamline and simplify the complex calculations involved in modifying both 4-stroke and 2-stroke engines. It's an invaluable resource for enthusiasts in the motorbike racing community as well as for everyday users seeking to enhance their engine's performance.

Features of the 4-Stroke Calculator:

Engine Volume Analysis
Camshaft Optimization:
Duration Adjustments
Lobe Separation Angle (LSA)
Overlap Tuning
Polish Porting Techniques:
For 2-Valve Engines (Methods 1 and 2)
For 4-Valve Engines
Valve Adjustments:
Lift Settings
Diameter Specifications
Shim Selection Guide
Compression Ratio Calculations:
Static Ratio
Dynamic Ratio
Effective Stroke Determination
Piston Speed Analysis
Safe RPM Limits for Engine Longevity
Carburetor Tuning:
4-Stroke Ventures
Ideal Size Determination (Methods 1 and 2)
Reamer Usage
Racing Exhaust (Knalpot Racing) Configurations
Acceleration and Top Speed Potential:
Estimation of Top Speed
Wheel Outer Diameter Impact
Final Gear Ratio Effects
Estimation of Potential Torque and Power (DK)
Features of the 2-Stroke Calculator:

Engine Volume Capacity Analysis
Compression Ratio Calculations:
Compression Ratio
Fuel Mixture Ratio
Clearance Settings:
Deck Clearance
Piston Clearance
Piston Ring Gap
Head Squish Adjustments:
Angle Settings
Width Measurements
Engine Timing and Duration:
Inlet
Exhaust
Transfer
Porting Techniques
Piston Speed Analysis
Safe Engine Rotation Speed Limits
Carburetor Size Optimization
Acceleration and Top Speed Potential:
Estimation of Top Speed
Wheel Outer Diameter Impact
Final Gear Ratio Effects

Screenshots: