Thanks Wayne. My tank is on deckand given the picture you painted, yours
seems to be the best idea so far-- what company made the priming pump you use?
Tom

Wayne.B wrote:
Mount them above and chances are you will become a Detroit fuel rack
expert in no time;0)

Solved that problem.

After an "interesting filter change incident" I had my diesel guy
install electric priming pumps on each engine. They can be valved in
and turned on in about 5 seconds. Total cost was less than $300 for
two engines. The reliability improvement is priceless.

If the fuel tanks are mounted below engine level which is typical on
many sportfish and motor yachts, it is just about impossible to mount
the Racors below tank level. Even if you can there is still an issue
with changing the engine mounted filters. Priming pumps, that's the
way to go.