Programming 101

[Bruce Plecan]

-----Original Message-----
From: Bill Shaw <bshaw at connix.com>
To: gmecm at esl2.eng.ohio-state.edu <gmecm at esl2.eng.ohio-state.edu>
Date: Thursday, March 25, 1999 8:31 PM
Subject: Re: Programming 101


>>This is for the
>>new guy trying to get a handle one engine management.
>Me! me! (waving hand furiously) One o two!
>>If you feel that you have to get into this keep
>>EXCELLENT notes.  You can really get turned around..
>(scribbling furiously)
>
>>Boro is a big factor, because your density goes down and you increase in
>>altitude.
>What's boro?  I was out that day.

A typo amend to read baro, as in barometric pressure
>
>>This GM system is pretty crude, but realise the year.
>I don't (I skipped that day, to),  what's the 1227747 out of?

86-91 v-6 astrovans
86-91 C-K trucks with 305/350/454 engines
>
>>It also sends you NOX emissions out the roof.
>So can we tweek the parameters and make it go the other way?  Like taking
>an engine that's had the compression increased and radical cams added
>(which would normally increase emissions and make it fail a sniff test)
>and clean it up enough to pass? (theoretically,  of course)

Done correctly with a good cat in theory probably.
Bruce
>
>Thanks
>bs