ballast resisters

1) can you hear the pump running?Does it get louder-quieter faster-slower while the
engine runs up to the 15 min. mark?
2) check the voltage at the ign.sw. side wire of the ballast as the engine runs, does
maintain good batt. voltage?
3) 5 Gal. in no time w/no press. load is obviously plenty,pretty much rules out a
clogged tank pick-up or collapsing fuel hose on the suction side.Only exception
is fine rust/dirt collecting on pick-up during driving w fuel slosh stirring it up.
4) EFI pumps & yours not comparable, I would mount it low & in the rear of the car
pumps ALWAYS push better than they pull,period.
5) Regardless of your findings, the factory ign. hot wire should be used to trip a
relay, not to power the pump directly. Extra current load on the factory(original?)
wiring can cause an excessive voltage drop to the regulator sense wire resulting
in your battery overcharging.
6) The ballast resistor is used to limit idle/low speed current to the coil because
actual dwell time is high at those speeds,the resistance actually goes up as
the resistor heats up during high current demands, then back down as you rev.
unfortunately it is slow to respond to quick changes........
good luck!!! :coffee2: