Fuel Pump for returnless system?

[87gtNOS]

For whatever reasons....LOL!!

I am looking for a fuel pump for use on the Apex, inwhich I believe it has a RETURNLESS fuel system.

I sell car parts...upon looking at the Carter catalog at various high pressure pumps, they had a note saying "NOT for use on returnless systems". Does this matter? The Holley or NOS brand, or those other brand INLINE High Pressure booster pumps all Don't mention any of this. I wonder if it matters?

 

[Need for Speed 2]

no fuel system shoud be dead headed .just end up with inconsistency. why do you want that type of set up?

 

[87gtNOS]

no fuel system shoud be dead headed .just end up with inconsistency. why do you want that type of set up?

I don't recall seeing a return to the fuel tank?? Also, lots of cars are 'dead ended'. 96 or 97+ mustangs for example....

 

[Need for Speed 2]

yes you do have areturn on system on your apex rtx. mustangs may be dead headed but that doesnt make it right . here goes bet there will be heat for that said from the blue oval camp.

 

[Anonymous]

At least on my apex, there fpr and return line on the left side. You can easily verify this!

 

[87gtNOS]

At least on my apex, there fpr and return line on the left side. You can easily verify this!

Yup, I see that now

SO back to my question!! LOL!

Problem is, if I run this type of FPump to a dead end, it'll build pressure....I need something that doesn't build pressure.

 

[rxrider]

That's where a fuel pressure regulator comes in. The fuel pump pumps at full pressure all the time, fuel goes into the fuel pressure regulator, the regulator feeds the carbs/FI the amount of fuel needed based on the boost pressure signal from the air intake, typically a hose goes from the IC to the FPR. The higher the boost, the higher the fuel pressure that goes to the carbs/FI. The FPR have a bypass outlet sending excess fuel back into the fuel tank.

 

[87gtNOS]

That's where a fuel pressure regulator comes in. The fuel pump pumps at full pressure all the time, fuel goes into the fuel pressure regulator, the regulator feeds the carbs/FI the amount of fuel needed based on the boost pressure signal from the air intake, typically a hose goes from the IC to the FPR. The higher the boost, the higher the fuel pressure that goes to the carbs/FI. The FPR have a bypass outlet sending excess fuel back into the fuel tank.

Yes, sorry, I fully understand turbos and S/C and fuel systems..had a 500hp S/C'd mustang.

I think when I made this thread I had forgotten the fact that a regular fuel pump, pumped to a dead end, would continually build pressure.

Is there a pump that wont?

 

[cousin vinny]

Use a Holley 12-920 fuel pump. Inline and works great. I have used that pump with no problem on both turbo vector and apex. (with a mallory pressure regulator on the vector and the stock regulator on the apex). cv

 

[Need for Speed 2]

old style pulse pumps will run up to pressure then pulse to maintain it. dont know what pressure range would be on that type pump.