Low throttle (~10% throttle from idle to 4000 rpm) **holding throttle steady is the most important factor here, do not change the throttle position during the log.**.Engine start/idle (warm/operating temp) this log is normally ~15 seconds.Engine start (cold start/engine warm up) this log will be one of the longest logs (logging from cold start to operating temperature).DO NOT do any High throttle pulls or data logs until we have finished tuning the low/mid range throttle ranges. ***Note*** Each data log should be kept as short as possible (10-20 seconds is normal) Logs should be done in 3rd gear unless otherwise stated. Ignition sync on most engine you should use a timing light to check that ignition timing at the engine matches the ignition timing value at the EMS.Check your wide band AFR O2 sensor is working correctly and connected to the EMS and or data logger.Spark plugs check you are using the correct heat range plug and that the plug is gapped correctly.Test for coolant, oil and fuel leaks (because fires are BAD).(This ensures there are no leaks, even a small leak will have a big effect on the tune and cause problems down the road.) Click here to check out a great DIY boost leak tester article and build instructions from a subaru guy. Even if big changes are made we will always be able to give a special re-tune price to returning customers, just send us an email or give us a call! “Re-Tune” after new parts are installed or new fuel type is used we normally charge $100 for a re-tune unless there has been very drastic change in the engine/setup.You can normally expect your updated calibration within 24 business hours however it may take 48 hours during race season. Brewed revises the calibration based on your data log and emails the new calibration. #Apexi power fc datalogit software how to#You take the requested Data logs Brewed Motors can walk you through this step and will also tell you exactly what parameters to log and how to drive IE: RPM and Throttle position **you will need to use a nice straight, flat road/surface you can safely do 3rd gear pulls on.**.You upload the calibration to your PFC EMS/car. #Apexi power fc datalogit software mod#You will also need to add your complete build details, mod list and fuel type to our free Etune database. Email this file to our Tuner and they will use it to create a custom base map for your exact version PFC. For the PFC you must first connect to your ECU and save the original file off the ECU/PFC.
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