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My Dukes fuel pump (for IO-360) is up
for replacement/overhaul. It "loses prime" most of the time, meaning it
won't pump fuel to prime the engine, but will seem to generate pressure after
the engine is running or after jostling from engaging the starter (sometimes it
doesn't pressurize even then). It seems like it was acting up from day
one.
What have you guys found is the best
way to deal with this? The overhaul shops want a lot to overhaul the thing
and if you don't send in the core, they charge more than if you buy a new one
(?!). Crazy market here. Lancair's pumps are on back order for 7 or
8 weeks. Should I switch to the brand Aircraft Spruce carries (Weldon or
some such)? Get it overhauled? There's nothing wrong with the motor,
just the vanes I imagine.
Thanks,
Ed de
Chazal
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