Fuel Stacks have been virtually unchanged in
their design since
they were first produced.
This is a testament to their performance and
consistency. Tillotson Carburetors are very modular. The Standard
Volume(Single Stack, Gas) and High Volume(Double Stack, Alky) Pump
Plate can be changed on the many different carburetor bodies. But
you cannot mix the two pump plate types.
is common for carburetors that are converted to run methanol alcohol
to change from a standard volume to high volume pump stacks.
Fuel Pump Body is the first or top aluminum plate of the carburetors
fuel pump plates.
Tillotson Gas Fuel Pump Body (Sometimes called single stack or gas
HL-357A,B HL-360A,HL-383A,HL-384A&B, HL-385A, HL-388A,HL-395A