F.I. fuel pressure theories

[e vassar]

Originally Posted by Stan Weiss

Has anyone looked at say running the 42 lb injector at say 55 PSI which would have a reduced pulse width / duty cycle verses the 36 lb injector at 50 PSI?

Stan

So turn the pressure back up to 50 and shorten the duration cycle?

[Stan Weiss]

Originally Posted by e vassar

So turn the pressure back up to 50 and shorten the duration cycle?

Yes, as you increase the fuel pressure the injector flow rate increases. But if fuel needed has not changed then you need to short / decrease the amount of time that fuel is flowing.

Stan