ox sensor on sequential efi,high overlap cam.... a bit lo ng

Clive Apps Techno-Logicals 416 510 0020 clive at problem.tantech.com
Tue Dec 1 15:46:36 GMT 1998


> >detect surges and power drop offs) every 5-6 degrees like the EFI332 project
> >does would be necessary.  But it would also have to look at O2, EGT and MAP
> >or MAF (to detect regurge backing up in the intake) and the system would
> >have to have a separate algorithm to handle this (out of map) situation.
> >Even at that, to get any kind of consistency would probably require multiple
> >O2 sensors (EGT isn't going to be very useful as most of the fuel isn't
> >getting burned in this situation!) and an averaging algorithm to come up
> >with an "average" A/F and compare this to A/F at specific points in the
> >exhaust header (to detect rich slugs in the exhaust).  This information
> >could then be used to measure the amount of correction necessary in the next
> >event and when the correction needed to be made prior to the next event.
> >
> Which brings me to the point of saying: MAYBE we should take a hard look at
> adding a whole lot more I/O capability to the 332 project--for starters 8
> Thermocouple inputs for EGT--

more like 12
lots of V10s coming out there already
12s not far behind

Clive 



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