Lingenfelter L460160000 Lingenfelter RPM-003 RPM Activated Switch Instructions v1.5 - Manual (Page 16)

Table B: RPM Pulse Counts for Various Applications
Pulse/rev Degrees between pulse Common Application(s)
Low or
High
Range
RPM
Mode
0.5 720 degrees
Typical 1 cylinder engines & individual coil ignitions such as ‘99+ V8
Mustang, Suzuki Hayabusa, Kawasaki ZX-14
1 360 degrees
Typical 2 cylinder engines & wasted spark coil packs such Viper/
SRT10 coil
1.5 240 degrees Typical 3 cylinder engines
2 180 degrees Typical 4 cylinder engines + LS1, LS2 etc.TACH signal
2.5 144 degrees Typical 5 cylinder engines
3 120 degrees Typical 6 cylinder engines
4 90 degrees Typical 8 cylinder engines
5 72 degrees Typical 10 cylinder engines
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Table C Table D
RPM in thousands (X000) RPM in hundreds (0X00)
0 to 9 equal to 0 to 9000 RPM (in LOW)
or 10000 to 19000 (in HIGH)
0 to 9 equal to 0 to 900 RPM (in LOW or
HIGH)
Switch setting
RPM
Switch setting RPM
LOW mode HIGH mode
0 0 10000 0 0
1 1000 11000 1 100
2 2000 12000 2 200
3 3000 13000 3 300
4 4000 14000 4 400
5 5000 15000 5 500
6 6000 16000 6 600
7 7000 17000 7 700
8 8000 18000 8 800
9 9000 19000 9 900