Rail or Line, Fuel Pressure?

[THorn]

Well, i have a SMARTY on the way .



What are your guy's thoughts on which would be better to monitor, rail pressure or fuel line pressure? I plan on putting a FASS system in at some point (once i feel the need to run above SW#5). Just trying to get an educated opnion.

 

[mberry]

If it has to be one, my choice would be fuel line pressure. I would always want to know if the CP3 is getting the fuel it needs.

 

[hotram03]

Both, the ability to monitor both are out there, I monitor both.

 

[AMassaro]

I agree you should moniter both but if you could only pick one, it'd be the fuel pressure at the line feeding the cp3. Stock pump plus mods can and will mean lower pressures. I used to get down to ZERO psi with just XZT box at wot.

 

[Bodie]

You honestly need both, but if you don't have a fuel system I say you need a CP3 pressure gauge now. The Smarty will drop fuel pressure below 5psi on just SW3, with the stock fuel system. After you get your fuel system and start upgrading more like to stacking and bigger injectors a rail pressure gauge will be more of a necessity.



Bodie