Injector Confusion

[the Fredericks]

The P&Hs are available in larger sizes.  If you want to go above 50 lb/hr.,
they're all that's available.  I run 55s in my GN, with P&H drivers
installed in the ECM.

Kendall Frederick

> -----Original Message-----
> From: owner-gmecm at esl.eng.ohio-state.edu
> [mailto:owner-gmecm at esl.eng.ohio-state.edu]On Behalf Of Bob Valentine

> I just did some looking in the archives, and now understand the difference
> between peak-hold and saturated injectors.   What I'm missing are the
> advantages of using p-h units in a ECM which was originally setup for
> saturated, eg. 165/730's.
>
> From what I understand, p-h's are more controllable at shorter pulse
> widths.   So, wouldn't a ECM cal'd for saturated avoid or at least
> compensate for the saturated units which can't work as well with short
> pulse widths?
>
> Does a p-h injector flow more (read: volume of fuel) for a given opening
> time than a saturated?