Re: LT5 Info.., and 1228331 stuff in general.

[Tom Sharpe <twsharpe@mtco.com>]

If the PW is halved, would this work with other staged injectors???  (Don't need
the buterflys!) this could support big engines with small injectors and idle
quality.  TWS

>
> Marc Randolph wrote:
> >
> > 1. Tim Holland, a lead engineer for the LT5 project on the Lotus side,
> > said the following, "... the ECM will signal the ports to open, and
> > wait .5 seconds before turning on the secondary injectors.  As
> > the secondary injectors share the same drivers as that of the
> > primaries, the pulse width signals are halved when the secondaries
> > operate."    So, there is no mention here of partial opening, and
> > in fact, the stated operation is that the ECM must wait for the
> > port throttles to open before it turns on the injectors,
> > .5 seconds later, at which point the pulse width is halved.
> > This also makes sense from a fuel and flow stand point -
> > the port throttles are below the fuel injectors, so if they
> > were not opened all the way, the fuel would hit the port
> > throttles and drip onto the back of the valve.  That doesn't
> > sound like a good idea to me...
> >

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