Some thoughts and questions on EFI

[Robert Gallant]

> 02 sensors react relatively slow - maybe 10 readings a sec?
> TPS - sensors - at least 10 readings a second if not more
> Temp sensors - 1 reading a second
> RPM sensor - at 10,000rpm (why not?) - that 600,000 degrees per second.  4 
> bumps on the crank shaft (ie - crank triggered ignition) would mean less 
> than 1000 per second...
> MAP or MAF sensor - 1 per second - maybe  more... 10?

For temp, intake air temp would also be good.
 
> The system would have to work at:
> Startup
> Idle
> part throotle cruise
> WOT
> anything else?

How about deceleration fuel cut.

Also, I tune WOT/full boost by exhaust temperature.  It would be slick to add 
this to the system.  But maybe I'm getting too much into what I need for my 
exact application.


Rob
gallant at oasys.dt.navy.mil