Fuel Injector Valve Phasing...

Fred Miranda fcmefi at fishnet.net
Fri Feb 9 16:19:16 GMT 1996


>Now,
>if you can't get to the valve, or possibly (some of my research)
>your injector droplets are fine enough already, then it's best to
>spray so that air flow is high (to keep droplets off the walls
>and coalescing) and port residence is minimized. 

Tim, 
For those of us who can't hit the valve or have none, any tips
on injector or anything else that would promote a fine spray?

As for WOT duty cycles, you can't assume they are high.
An engine with a torque peak at 5krpm and 80% duty cycle
will have a duty cycle something less than 40% at 2.5krpm.
Obviously haphazard injection timing could hurt you here,
esp if you can't hit the valve.

Fred




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