Chris Locke wrote:
Subject: Re: Air Fuel Mixture Gauge?
>An a/f mixture
readout meter is a really handy tool. I built one for my
>car, but i
haven't installed it yet. I don't know as to the accuracy of
>the
JCW one, but what can you expect for $35 and from JCW??? Mine
does
>real time, has an input impedance of over 500 Mohms, and uses a
coax
>(RG174) to keep the 02 sensor line clean from foreign electrical
noise
>from an "antenna" attached to the sense lead. Parts cost me
about $.05
>(ok, maybe a couple bucks) and i got to make the box that
holds the
>parts. i use it as a test tool now, since it isn't
mounted in my cabin
>yet.
I would be interested in making such a tool. Can you
post instructions?
Chris Ritchie, '88 5KSQ