Injector Confusion

[CSH-HQ]

Eeer Fred,
these as I've seen have to be vac refernced so that as the vac changes the 
pressure changes, nothing to do with rpm, "basically".  Other then the levl 
f vac you can draw at WOT
Grumpy


At 10:44 PM 11/11/99 -0500, gmecm at efi332.eng.ohio-state.edu wrote:
>> What's a "rising rate regulator"?
>
>A fuel regulator lock the fuel pressure at a certain pressure (often
>45psi on OEM engines) and bleeds off the extra pressure to a return line
>to fuel tank, to recycle the excess fuel.
>
>A rising rate regulator, does the same thing, but as RPMs increases (or
>vaccuum decreases), it bleeds less and less fuel to the return line. 
>So, at 4500 RPM you might have 45psi in the fuel rail, at 5500 RPM you
>might have 50psi in the fuel rail.  It varies based on load or RPM so
>that your injectors can flow more fuel at higher RPMs.
>
>
>
>-- 
>
>Frederic Breitwieser
>Xephic Technology
>769 Sylvan Ave #9
>Bridgeport CT 06606
>
>Tele: (203) 372-2707
> Fax: (603) 372-1147
>Web: http://xephic.dynip.com/
>