Suggestions for Adjusting WOT fuel?

David A. Cooley n5xmt at bellsouth.net
Wed Apr 7 16:27:49 GMT 1999


At 11:19 AM 4/7/99 -0500, you wrote:

>That was what I was worried about.  I have two identical (well as
>close to identical as possible with electronic sensors) bosch sensors,
>and reducing fuel was not changing the O2 values, and it was speeding
>the car up (it should start not speeding up anymore when I start
>getting close to 12.5:1).  What kind of ratio are we talking about to
>be too lean ?  Any ideal what ratio is bad?  Would stoch (14.7:1)
>cause problems?   
>

Not sure what target is going to be for best power at WOT... that will
probably vary with each different engine... 14.7 would be too lean at WOT..
Definitely hurt something there!

>Where would someone buy a EGT sensor?  I figured I might in the
>future, get a pic with a A/D, and program it to sample the A/D's and
>also program it to read out the GM computer, and button that up into 1
>serial data stream (probably 19,200 baud) and send that to a laptop
>for futher processing.  

There are several of the turbo aftermarket parts suppliers that sell EGT
sensors... check out the Buick GN web page at:
http://www.gnttype.org/ 
and check out the suppliers page...
===========================================================
           David Cooley N5XMT           Internet: N5XMT at bellsouth.net
     Packet: N5XMT at KQ4LO.#INT.NC.USA.NA   T.A.P.R. Member #7068
       I am Pentium of Borg...division is futile...you will be approximated.
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