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Mike,
That location is specified because of the relatively large pressure drop across
the transducer.  I was contemplating an installation similar to what you
described a few months ago and spoke with Pacific Coast Avionics, JPI, and
Electronics International.  No one could provide technical data regarding the
transducer (which EI and JPI don't make themselves).  I did find out that
gravity feed fuel systems, such as found on some high wing aircraft, use a
different transducer(I would assume with a lower pressure drop) But again, I
couldn't get any information other a visual description of the differences.  The
only advice they could give me was to install the transducer after the fuel
pumps.
In my search on this topic, I came across the writings of a Rebel owner who
discovered that the transducer he had installed on his aircraft was cutting his
free flow volume in half.  I also discovered from some Glasair flyers that
mounting the transducer to the engine was causing premature failures of the
delicate paddle wheel.  Your instructions may also instruct you to leave the
transducer suspended by the fuel lines alone to prevent this type of failure.
hope this helps

Chris Zavatson
360 std
N91CZ
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