I'm wondering if you all have seen an appreciable difference in real-world driveability (mostly at parking lot speeds) between going with a 5bar FPR vs getting bigger injectors. Does the stock ECU deal with both mods equally as well? Is the ECU so good that both mods are essentially transparent? I'm talking about issues such as bucking, hesitation, idle surge, stalling, etc.

Thanks.

 

Bigger injectors brought the spool in quicker. Years back the 5bar made the cold start rich on most tunes but I think that's all fix now. I don't think there is any down side to the bigger injectors, 60lbs ones run flawless.

 

I just went from a 5bar to injectors, both are very much stock in feel at idle, but much more responsive off idle with zero issues. The tune is the key. Have to have a good tune and boost leak check your system.

 

I just went from 58lbers and a 5bar to 72lbers and a 3.8 stocker. I don't notice much difference...go with bigger injectors if you plan to increase power...