Hey guys. I've been trying to pull the trigger on some sort of fuel regulation system for my swap. I'm running the stock LS3 fuel rail and I REALLY dont want to change it. The problem I have is my tank came stock with a return style system. Since I've gone returnless, there isn't anything regulating fuel pressure.

What kind of options do I have if I stay returnless?

Right now, I have a single feed going up to the rails and my return line is blocked off. I was thinking I could use the corvette filter/regulator? Has that been proven to work? If that's not the best option, how else could I regulate fuel?

 

You can mount a fuel reg. in the engine compartment, that will let you plumb a return line from it back to the tank and also set your fuel pressure.

 

Would I have a problem with loosing pressure under wot with a regulator mounted before the rails? I've heard of some people dropping from 58psi to 35psi. That seems like it could be dangerous.

Would this problem be fixed with a vacuum port regulator?