Bob -
Although I agree with you in principle... the truth is
that with a sensor, you can do a much better job of
tuning the car under load - the piston lifting method
is really only good for setting mixture at idle.
With the SUs the needles rarely, if ever, have the
right diameter profile for each car... this is where
the sensor really helps... it helps you adjust the
needle profile for optimal performance when you are
under power or at high speed.
All this means is after installing the sensors, the
car owner would probably run through about three or
four different needle profiles until they set on one
that gives the best combination of performance and
mileage... might even save enough gas over time where
it'll pay for the effort in a couple years. This is
especially true for anyone that has modified their
motor with a rally spec cam, high profile rockers or
non-standard pistons.
Regards,
Alan
'53 BN1 '64 BJ8
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