The fitech facebook page has a lot of information and tips for tuning. Fuel control a speed density algorithm is used to calculate the fuel injection pulsewidth.
Fitech 600 Fuel Pump Wiring
Fitech fuel pump control. Right now i have the fitech controlling the fuel only. The temperature used is called the in cylinder temperature which is calculated as being somewhere between the coolant temperature and the air temperature depending on the air flowrate. Save the original line from the fuel pump to the carb and replace it with a new line to this fuel control center everything else is specific to the fitech system and can be easily removed and the carb restored if resale value or restoring originality is a concern. Simply disable the pwm feature if you are running a fitech goefi system with pwm fuel pump speed control capabilities. These systems come with a regular coil contact relay. I think they made the change because some aftermarket pumps can be damaged with pwv voltage.
These pumps are not benefitted by pwm speed control. Pwm operation can seriously damage walbro gerotor pumps. Transmission control feature is suitable for 4l60 4l65 4l80 or 4l85 gm transmissions. If youre considering utilizing a factory intake injectors and cable operated throttle body with a 4l60 4l65 4l70 or 4l80 gm transmission fitechs ultimate ls standalone self learning ecu with transmission control will get your engine ready for optimal performance. Fitech ignition was set to tach therefore the fitech runs via tach. Download preview instructions here.
These linked sites are only for your convenience and therefore you access them at your own risk. Description fitechs black anodized ultimate ls3l92 500hp kit with trans control combined with an inline fuel pump fuel delivery kit are a complete self tuning induction systems for ls engines designed for the do it yourself hot rodder to the professional efi tuner. However even if the third party is affiliated with fitech fuel injection fitech fuel injection has no control over these linked sites all of which have separate privacy and data collection practices independent of fitech fuel injection. However even if the third party is affiliated with fitech fuel injection fitech fuel injection has no control over these linked sites all of which have separate privacy. Sorry pat the pwm fuel pump control they advertise and detail how to adjust in the manual does not exist. Custom wire harness uses factory coil pack sub harness.
Fuel pump relay output.