These small brackets are installed on the factory case-heat sink.
The AEM EMS fits inside the stock GM ECU housing so the stock circuit board must be replaced with the AEM part. We didn’t physically remove the MAF for this test but will do it at a later date. This is cool because it enables us to remove the potentially restrictive MAF from the intake. Instead, the AEM EMS uses the stock manifold absolute pressure or MAP sensor to help determine load. It comes calibrated for use with the stock sensors with the exception of the LS1’s mass air flow or MAF sensor. The AEM plug and play EMS easily starts the car without having to tune it first. We used the AEM supplied Bosh LMU-4 wide band O2 sensor to measure our air fuel ratios. We will be writing more about this innovative product in a future article.
#BEST LS1 TUNING SOFTWARE INSTALL#
The controller is compact and easy to install providing heater control and signal conditioning in one easy to use package. The inline UEGO controller makes datalogging of the air fuel ratio through the EMS very easy. We replaced the standard GM O2 sensor with the supplied Bosch LMU-4 wide band UEGO O2 sensor then wired the sensor to AEM’s inline UEGO controller to the O2 sensor #1 input on the EMS. To aid in our tuning of the AEM EMS we used its internal data logging function which was made easy by the AEM Inline Wideband UEGO controller. AEM’s in line UEGO controller can be used with any datalogger or ECU with a data logging function. In order to use the AEM EMS datalogging function to speed tuning, we used AEM’s remarkably easy to use in line UEGO controller to log the air fuel ratio. This also means that if the car needs to be repaired later, you can simply get inexpensive and easy to find stock sensors! The factory ECU can also easily be returned to stock in a matter of minutes if so desired. This is an exceedingly nice and clean installation-no cutting or hacking of wire harnesses. To install the AEM EMS, we simply unplugged the stock ECU, swapped the top of the factory ECU onto the AEM board and plugged it back into the stock harness. Our test subject is a 1993 FD RX-7 with a bone stock 2001 LS1 swapped into it. We found a great remarkably simple solution for tuning with AEM’s plug and play EMS for the LS1. Since the LS1 has so many tuning options, being able to have full control of engine management is a huge advantage when putting together one of the new generation hybrids.
#BEST LS1 TUNING SOFTWARE SERIAL#
The AEM LS1 plug and play EMS comes with the circuit board that replaces the stock part, a special ECU case lid, a serial port tuning dongle and the tuning software.
AEM’s Plug and Play ECU for the Chevy LS1, a Swappers Delight!