411 REFERENCE · Wikibooks
Nissan 240SX Performance Modification/Ignition and Fuel Management
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
When you modify the performance aspects of your 240SX engine, the stock ECU (engine management computer) needs to know how to react to the changes to make best use of the modifications. Several types of modifications for this system are available:
/MAF/ (mass airflow meter)
/Ignition/ (ignition systems, spark plugs)
/FMU/ (Fuel Management Unit)
/Aftermarket ECU/ (AEM EMS, Greddy Emanage etc...)
/Piggyback Computers/ (Apexi SAFC etc...)
/DaughterBoard-ROM TUNE/ (JWT, RS-Enthalpy, BikiRom, CalumSult)