MC wrote:
: Does your fuel-pressure gauge fluctuate noticibly ?

: Mine vibrates at about a 3Hz rate between the
: middle and bottom of the green-band.
: Engine runs fine...

: Turning-on the electic pump reduces the amplitude of
: the swing and stablizes it at around mid gauge.

: Is this 'normal' ??

Every Arrow I've ever flown (three different 180 HP versions) does this.
Don't know if it's bad or good, they were rental AC.
--
Aaron Coolidge