The return from swirl to tank is smaller, from memory 4mm
I will post a pic today of the setup.
i recorded the noise the pumps making on my phone but cant seem to download it to the computer
Originally Posted by
markk
Theres no way on idle you should be able to empty that swirl chamber. How big is the return from the swirl pot to the tank? It needs to be smaller than the feeds to keep the pot almost pressurised.