There was discussion on a fuel cut off kit for the Holley carb. I was thinking EFI at the time for my installation so I didn't look at it very well. Now I am reconsidering. Can the fuel cut off be used for leaning? Who sells this kit? Thanks.

Paul Shamlian


Tom McNeilly <tomcn@earthlink.net>

It is more than a fuel cut off. You can lean the mixture.

Here are some 3D's. The 500 CFM 2 barrel is about right for a P-port
13B or RX8 engine.


What kind of airplane are you building Paul?

Paul Lamar

--------------------------------------------------------------------------------------------
"The mixture control body is CNC machined from 6061-T6 aluminum which is
alodine treated, the shaft is stainless steel and the screws are plated
steel.

The first picture is what comes in the kit. The mixture control plate is in
the background with the accelerator pump extension arm., power valve block
off plug, and installation bolts in the foreground.  I also include a set of
three gaskets which are not shown.

  The second picture is a unit installed on a 4 barrel Holley carburetor.
The installer is responsible for the push-pull cables and attachment
hardware.  As you can see, the unit is installed in-between the jet plate
and the float bowl.  This requires the use of longer float bowl bolts which
are included in the kit.  The arm swings through 90 degrees of rotation from
idle cut-off to full rich. The arm can be clocked anywhere on the shaft to
make installation easier.  The arm in the photo is in the full rich position
and idle cut-off would be in the 4 o'clock position. Two shafts are available
to make full rich either in the clockwise rotation or counter-clockwise
rotation.  This sometimes simplifies the push-pull cable installation.  I
usually ship the counter-clockwise to full rich shaft, as this parallels the
throttle rotation on the opposite side of the carburetor."

Tom McNeilly <tomcn@earthlink.net>
--------------------------------------------------------------------