My 3 x 8 x 1 1/2 header tank holds approx 0.156 gallons of fuel.  If I
wanted to ensure take off on cool fuel I would like to run out the hot

fuel

(or most of it before takeoff).   If I ran the engine at 5000 rpm it

would

take approx  1 1/2 minutes to use up the initial fuel in the header tank

Al Gietzen wrote:

Of course (depending on pump flow) during that 1 1/2 min the fuel in the
header tank will have been to the engine compartment and back about 3 times.

But then; if it works, what the hey.

Al

 
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