if i install a GM 3bar MAP sensor will it trim my fuel to about 40%??? using dsm 390 cc injectors/fields fuel controller

 

IT wont trim anything to anywhere, you will have to. All it is going to allow you to do is to boost higher.


Rob

 

Im pretty sure it will be trimmed because 5v on the 3bar is like 30psi and 5v on the honda map is like 11psi. This is of course only true with a stock ecu. Im not sure exactly how much it trims though. Hope this helped

 

well reason i ask is because im getting a fields afc for dirt cheap but it will only adjust the fuel up to 30% which i heard with 390 will make my car hella rich if the gm 3bar doesnt work then im not going to bother with the fields

 

ttt

 

The gm 3bar map sensor puts out about half of the voltage that the stock honda map sensor puts out. So when you use the gm sensor it is supposed to cut the duty cycle of your injectors in half. This allows you to idle good. Then when you boost you can use you fuel controller to increase the fuel your injectors put out. Somebody correct me if my tid-bit is wrong. sean

 

you mean at the same pressure, it outputs about half the voltage...