Pulses Per Revolution Guide

Lauderdale Speedometer Inc. · Engine Information Reference

Lookup by Engine

Select an engine make and model above

Make Model Year Sender N2K / J1939 / J1708 PPR Notes VDO Calibration

New Engine Entry

Added entries are saved in your browser and appear immediately in the lookup and table.

Type a new make or pick an existing one
Tip: Entries you add are saved in your browser's local storage — they persist across sessions on this device. To permanently bake them into the file's source data, copy the object into the PPR_DATA array in the <script> block.

VDO CockPit Dip Switch Reference

Formula: PPR 2–50 direct binary  ·  PPR 51–305 uses (teeth − 50) binary

Quick Lookup
Switch Positions
D8 ← HigherLower → D1
Teeth / Setting
PPR / Teeth Switches ON Known Engines
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