That's right. Oddly enough it will gravity flow about 17 GPH through that hole.

Finn

Bulent Aliev wrote:

The inlet hole to the flow sensor turbine is only 1/8" !
    

Finn, are you saying that all the fuel going to the engine has to be sucked
through an 1/8" hole? If that's the case, this could be your problem?
Bulent