Compression Ratio Calculator
Calculate static and dynamic compression from engine geometry, cam timing and rod length.
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PXL · ENGINE TOOLS
Motorcycle engine tools
Fast, focused and consistent calculations for motorcycle engine setup and research.
Featured tools
Automatically ordered by recent usage.
Engine profiles
Save engine profiles, notes and reuse shared parameters across tools.
Coming soon
Cam Chain Length Calculator
Estimate cam-chain changes from stroke, rod length and cylinder height changes.
Coming soon
Sprocket Ratio
Calculate final-drive ratio and find equivalent sprocket combinations.
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Gear Ratio Compare
Compare gearsets, RPM drop and post-shift RPM across setups.
Coming soon
Power Predictor
Analyze and predict HP/Torque from engine setup and reference dyno data.
Coming soon
All tools
Compression Ratio Calculator
Cam Chain Length Calculator
Reciprocating Dynamics
Sprocket Ratio
Gear Ratio Compare
ECU / IC Software
Engine profiles
Power Predictor
Parts Builder
Enter once, reuse across the system
Shared data
Consistent interface
Saved profiles