88 Speedo what LS1 Tach Output?
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Joined: Apr 2004
Posts: 35
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Car: 88 GTA - White
Engine: Was L98 - Now LS1 Powered
Transmission: 4L60E
88 Speedo what LS1 Tach Output?
Just got HPTuners and ready to start turning off some stuff and getting speedometer and tach corrected, etc.
What is the correct number to plug in for the output pulses to work with the 88 tach? Current setting if 40K, not sure if we should double or divide by 2.
What is the correct number to plug in for the output pulses to work with the 88 tach? Current setting if 40K, not sure if we should double or divide by 2.
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Joined: Aug 2005
Posts: 118
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From: Florida
Car: '83 Camaro
Engine: LS1
Transmission: T56
Axle/Gears: 3.23
Originally Posted by tlove
Just got HPTuners and ready to start turning off some stuff and getting speedometer and tach corrected, etc.
What is the correct number to plug in for the output pulses to work with the 88 tach? Current setting if 40K, not sure if we should double or divide by 2.
What is the correct number to plug in for the output pulses to work with the 88 tach? Current setting if 40K, not sure if we should double or divide by 2.
I don't know about HP Tuners but in EFF Live you change the 6 to a 12.
For 2 pulses, use N= 6 < Stock
For 1 pulse, use N=12
Calibrating the TACH for V8 HOW TO? - EFI Forum
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