4 Pole Electric Fuel Log best way to plumb?

No poppets because they restrict the flow and change when the fuel pressure changes and are not required. I like them plumbed between the pump and the BV and return to directly to the tank.

 

Let me add something here to what I said earlier so nobody damages their motors. The flow through a jet with a poppet in series is different than not having a poppet in series. So if you have 150 psi fuel pressure and a bypass with 60 jet with a 70 psi poppet then you have a flow of approx 0.73 GPM. Take the guts out of the poppet and now the flow goes up to 1.01 GPM. So if you tuneup had a bypass with a poppet inline before and you put a solenoid on and you take the poppet out then you need to resize your jet to get the same fuel flow. In this case you would have to drop down to a 51 jet to get the same fuel flow without a poppet.

 

If a poppet is in a bypass line from the main fuel line then it limits the pressure of the fuel flowing through that bypass jet. So if you have 150 psi of fuel in the mainline and you have a poppet set at 70 psi and you put a pressure gauge between the bypass jet and the poppet then it will read 70 psi. Here is the kicker.....the jet only sees the differential pressure which is 80 psi (150 minus 70). So now if you use a solenoid without a poppet the jet will see the whole 150 psi of fuel. If you change from a poppet system to a solenoid without a poppet then you need to re-compute what size jet you now want to use with the new higher fuel pressure to give you the same flow.

 

Not sure about computing pulling pounds of fuel. Normally we talk in Gallons Per Minute (GPM). Any fuel pulled out by a bypass will lean out the motor. If you want to enrichen the system then you would have to have a bypass that is normally on and then turn it off when you want more fuel in the motor. Is this what you mean?

 

Yes, that is correct.