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We are always updating our tech blog with articles on instrument theory, operation and installation. The links below will take you through our posts. Make sure to take some time and check them out:
GM ENGINE ARTICLES:
SMALL BLOCK CHEVY INSTALLATION INFO
FORD ENGINE ARTICLES:
SMALL BLOCK FORD INSTALLATION INFO
FORD 6.9/7.3 IDI AND 7.3 POWERSTROKE INSTALLATION
AFTERMARKET EFI:
HOLLEY TERMINATOR/ TERMINATOR X-MAX INSTALLATION
INTEGRATING YOUR NVU WITH OTHER AFTERMARKET EFI SYSTEMS
GAUGE FEATURES:
INDICATORS, AUX INPUTS AND ICONS
2" DIRECT DRIVE GAUGES: WIRING, SENDERS AND TROUBLESHOOTING
SPEEDOS AND TACHS:
USING SPEED SENDERS ON VARIOUS TRANSMISSIONS
GENERAL GAUGE STUFF:
TEMPERATURE AND PRESSURE SENDERS
FUEL SENDERS MORE THAN YOU WANTED TO KNOW!
PRESSURE AND TEMPERATURE SENDER INSTALLATIONS
EMI INTERFERENCE & HOW TO REMEDY MORE INSTALLATION ODDS AND ENDS
Just some miscellaneous things we have learned over the yearsPosted By NVU on August 25th, 2021
DIESEL TACHOMETER PPR CALCULATION
SIGNAL CALCULATION:
Given the continual introduction of alternator styles, it is
advisable to determine the PPR of the application before
installation.
The PPR calculation is PPR = P*R/2
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"P" is the number of poles in the alternator.
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"R" is the pulley ratio. Determine the pulley ratio by
dividing the crank pulley diameter by the alternator pulley
diameter.
Example:
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