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Optical RPM Sensor Installation Guide
CHAPTER 1
Running WinPEP
1-10
PLUG FIRES
Enter 360 for the number of plug fires when using the optical RPM sensor. Refer to
Figure 1-13.
TACHOMETER REDLINE
Enter the Tachometer Redline from your vehicle’s tachometer or your owner’s
manual. Refer to Figure 1-13.
Example: 7,250 RPM = 7.25
This places a redline on the tachometer that appears on the computer screen during a
run. If you exceed this redline during your run, the tachometer needle on the
computer screen will change colors.
TIRE SPEED RATING
From the following list, enter the Tire Speed Rating of the drive tires in mph for the
vehicle.
Note: If you exceed this speed, the computer will stop the run.
Figure 1-13: Make Run Window—Plug Fires, Tachometer Redline, and Tire Speed
tire rating mph
Non-Rated 93 mph
S112 mph
H130 mph
V150 mph
Z150 mph and higher
tachometer redline
tire speed rating
plug fires