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Gearing Analyzer with Shift Tracer

Gearing Analyzer RPM gauge diagram Gearing Analyzer Speedometer gauge diagram
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RPM max
mph
Shift At max


* Check ratios against your transmission. Add your own to this list? Let us Know!

Top Gear
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For DSG or VAG transmissions with a final ratio for each gear.

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Edit Gear Ratios and compare Multiple Gear Sets
Tire Diameter
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Add second Tire Diameter to compare results - Draws second needle in Tachometer and overlays plot in gearing graph.

Diff Ratio
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Add second Diff Ratio to compare results - Draws second needle in Tachometer and overlays plot in gearing graph.



Speed


Transfer Saved Transmissions








Gear ratio graph diagram
Gear ratio RPM shift point graph diagram

RPM
Scale



Max RPM RPM Increments

Calculate Effective Tire Diameter from Roll Distance
Make a chalk mark on tire and floor, then roll vehicle forward 1 complete tire revolution and mark floor again to measure.

Tire
R


Roll Distance



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Add transmissions above and tap Transfer Saved Transmissions to display transmission data below. Copy, save, email or text this data, then tap Load Transferred Transmissions and paste the data below to reload saved transmissions.
Transfer Saved Transmissions Load Transferred Transmissions



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Load .ssi file (American Truck Simulator)
Edit gear ratios and re-save the file in your new mod folder.
American Truck Simulator



Please send some photos and tell us how you used the Gearing Analyzer.

I used the gearing analyzer to compare speeds and RPM between different transmissions and final drive ratios for my Subaru WRX autocross car. Subaru WRX autocross car

Chevrolet Camaro I really appreciate the Blocklayer calculator.
I use it routinely both for my own projects, as well as planning ratios for countless other customer builds.

It helped me land on the 4.63 rear gear in my 5th gen Camaro - lots of revs from a naturally aspirated powerplant mated to a manual transmission.

The tool continues to be updated with new model transmissions, and is invaluable for driveline guys!

I've used your gearing calculator to help determine shift points, if changing rear gear ratio would help and also played around with tire size.

It helped me to determine a tire size I could find that allowed me to lose 1 gear going through the lights in the 1\8 mile dragstrip.
Chevrolet Chevelle Chevrolet Chevelle
Thank you very much for putting together a great setup! Regards, Jeff


See Also:
Tire Size and Comparison with Speedometer Correction

Tire Size Comparison Tire Size Speedometer Correction
Printable Full Scale Degree Wheels

Dial in your cam!
Printable Degree Wheel
Sprockets - Chain Length - RPM - Chain Velocity

Chain and Sprocket Diagram

Printable Timing Tape Templates

Printable Timing Tape
Pulley - Belt Length and RPM
Pulley Belt RPM Diagram


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If you need to take full scale measurements directly from your monitor, adjust the size of the diagrams on screen to match a ruler. Does not affect printed sizes. Use keyboard Cursor Keys to fine tune as you adjust scale.
Adjust scale of diagrams to measure 100% scale on screen with a ruler.

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All Inch inputs and dimensions are actual physical finished sizes
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Select output Fraction Precision then Re-Calculate to display.
Fraction Precision
Lumber
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Selected value is automatically copied to clipboard. Select then Paste into text box.
Prec…


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