ballast resisters

Mr Grissom is correct, My point was EFI pumps almost all have said anti drain-
back check valves in them. Most have a faster flow rate as well, thus they
hold their prime well and are more capable re-establishing one quickly.
the pump in question was not clear, but I assumed a walbro canister/bellows
or mr gasket "rattler" type was the style found on desy's car, thus the
"not comparable" reference. Hope your problem is nothing more than a
pump that cant handle the push anymore, keep us posted,:coffee2: