DFI, Batch Fire, and other myths

[xxalexx at ix.netcom.com]

> > Tom
> > Your Edelbrock ProFlo is typical on several other EFI system's
> > actualy the tests I have run show little on no differace between L/R and
> > other systems.
> > In fact all EFI are on almost 100% at or near WOT.
> > Ward
> 
> There is an ongoing discussion about the need to inject all (or most) of the
> fuel while the intake valve is open, probably starting before the valve
> opens and ending before it is closed. It would require large P&H injectors
> and lotta of pressure.
> 
> Any ideas or comments (or experiences).     Regards  Tom
> 
The new  Chrysler engine does this with injectors in head called wide
angle spray. web page posted in recent archive.
I have a old SAE book with some experiments on injection related to
valve timing, conclusion was to inject when valve closed.
alex