Hello All,
I've been wondering where to set the release or "pop" pressure of my Bosch mechanical fuel injectors, within its range of 115-123 bar (i think). On om601 and om602 engines, in my case.

I understand that the release pressure of the injectors affects timing, but am wondering how the release pressure affects other attributes.

How is fuel economy, engine running temperature, performance, etc affected by setting the release pressure, say, on the low end vs. the high end of the scale?

Can anyone give a rationale or rule-of-thumb of setting the pop pressures?

thanks!