450 injectors??????

[sonoma]

I have a 93 laser rs fwd auto and was wondering if i can use the 450 injectors with the factory computer???

 

[gsx951]

I have a 93 laser rs fwd auto and was wondering if i can use the 450 injectors with the factory computer???

You will have to use some type of fuel control to keep from running rich.

 

[fastalon82]

that or up the boost and use a logger to make sure you dont get any knock.

 

[ivanr4g63]

450cc should be fine with the stock ECU, you "could" run a but richer, but fuel trims self adjust after some time running, or disconnect your battery for 5 minutes, that way the ECU resets the trims back again. Assuming that your O2 sensor is in good operating shape that should help the car to run at a optimal Air/Fuel mixture. Though no matter what these cars always run rich, but switching from 390cc to 450cc isn't going to kill your motor or your gas mileage.