Originally Posted by Dr_Bean
2 things stop the pump from plopping:
- the ECU of the lc8 switches it of after 3-5 seconds when the engine is not running
- when the fuelpressure is enough (carb is full) the pump isn't 'loosing' the fuel any more and slows down pumping to the very minimum (less then 1x per second)
If you test it with a clip-on fuel-line, line the SMT has, it only plops 2-3x.
I believe there is a tip over switch too. Feel free to correct me.