This is how to set up ECU Logging in the Holley EFI Software. I choose to setup logging based on throttle position TPS as it has given me the most consistent results. I set up the logging as described in the video for drag racing but there are many other options to activate the logging as well as manually activate the datalog live on the software. This is set on Holley EFI V5 software but has been the same on V2 and V4 as well!
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