EGOR testing

[Bruce]

For my probe I used a chunk of muffler tubing 18" long 1.5 diameter.   Then
used some spark plug non-foulers, and trimmed off the threaded end.    Then
a piece of 1x.125x10" steel strap iron, and put a little Z in the end of it,
just enough of a kink so the tubing would go inside the actual muffler
tubing, and the strap peice on the outside.   Weld the fouler piece about 6"
from one end, and then the strap iron piece.   Use a large radiator hose
clamp to keep it inserted.
   It's passed some high speed tests, even the EFI POWWOW curb test (inside
joke).
Bruce





> Its a pretty crummy day in Chicago, but I went out
> and looked for the best place to screw in the probe
> on my new EGOR box.  None of my cars seemed
> suitable at the exhaust manifold without some mods,
> so I pulled out some pictures of a tailpipe probe from
> last June.  I guess the quickest way is to make "one
> of those".  I don't have it done yet, but the weekend
> isn't over.  The VCR can take care of the 500 for me.
>
> There is proving in to do, but I hope that won't involve
> major changes.  The whole thing including a 40 LED
> display, free air calibration switch, and Rcal probe
> compensation circuit is about 4" by 5 1/2".
>
> I would eventually like to have a few more of these,
> and maybe without all this hand wiring again.  I
> wonder who might want to crank out a circuit board
> when there is a proved in version, it looks like 4 layers
> to me.  With resistors on end and dips, size should be
> about the same.
>
> More later, hopefully very soon.  Bruce Roe
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