How much latency time (dead time) is too much?

[turbolarry]

So how much is too much?
At what point is the latency time, or dead time, too much and you should go back to adjust injector scaling?
... and this is in ecuflash by the way.

[JustDSM]

There really isn't a definate answer to this. The latency times will need to be adjusted to maintian proper fuel trims. Often times the same injectors (same brand/size) will require different values.

This is a difficult topic as it influenced by other parameters, such as injector scaling, maf calibration/scaling, ect...

To properly get the latency dialed you've also got to tweak the injector scaling and find the happy medium. Best advice I can give is to play with the settings, note the fuel trims, and adjust again as needed.

[nothere]

its a good question, what is the problem with carrying big latencies?

I have gone from 636 to 520 trying to scale some 650 injectors. at every stage I could get them to work. did not see or feel any difference other than the hassle of remapping my fuel map.

other injectors might not be so forgiving?