Challenger Experimental Fuel System Modifications

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The Gascolator helps remove trash and water from you fuel system.  My drain valve is located right behind the right main gear and is accessible outside the plane.  My fuel sample cup is located inside the compartment next to the Gascolator.

12 volt electric primer solenoid used to inject a small amount
of fuel into each cylinder for
easy starting.

1/4" ID tubing from solenoid
to a 1/8" ID Tee.  From the
Tee 1/8" tubing feeds both
carbs.

Carburetor inlet

1/4" tubing to solenoid Tee off from the rear carb fuel line.  Fuel pressure gauge is Tee to the front carb fuel line.

Electric primer button mounted
on instrument panel.