On Sun, Oct 11, 2009 at 10:05 PM, neil n <musomuso@gmail.com> wrote > > On my '81 (also has the smaller outlet on tank), the main reason I > omitted the square filter and "upgraded" to a "can" filter post pump > was to see if it would quell the intermittent fuel pump noise. Since > pump is pretty new, and tank et al is too, I am almost certain the > noise is due to pump cavitation. FWIW, in cooler climes this "upgrade" > seemed to help reduce the noise. But recently, while traveling in > hotter climes, the fuel pump was pretty noisy at idle when engine up > to temp, and restarted. And with all the wind noise and Steely Dan > blaring away, couldn't hear if pump noisy while driving. I would > suspect it was at least intermittently noisy. In colder weather, it > seems quieter overall though. > > Just my experiences so far. > > Neil, Do you attribute the possible cavitation to the smaller tank outlet? What did you use to adapt the smaller tank outlet to the fuel pump? Thanks, John |
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