Radium Surge Tank

[Norm Peterson]

Much like Rob, I tried everything before ultimately going to a surge tank. My setup is a radium fuel hat w/ 274 (high pressure 465) ACC-triggered sending unit, and dual 274s (one ACC-triggered, one boost triggered > 3psi) in the surge tank. Before this, I would fuel starve @ 1/2 tank. I’ve taken it down to 1/8 tank without issue on both CW and CCW config since installing, and expect I could go all the way to E if I wanted to.

Have you experienced any fuel heating issues due to "excess" fuel repeatedly circulating from the surge tank through its pump to the regulator and back to the surge tank?

If so, plumbing the line from the regulator back to the main tank instead of to the surge tank ought to help.


I found I had to do that for an aftermarket EFI system that had the regulator mounted at the fuel rails.


Norm

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