So, with my recent mod fail and hair pulling trouble shooting, it’s important you learn from your mistakes. I’m going to go over the basics of a highflow or Highvolume lowpressure fuel system for Holley carburetors. Learn from my failures and save yourself from a WTF moment.

Fuel System:
Holley 12803BP
Holley 12803 (Not used)
Holley Black Fuel pump
Jeg's 8 AN Inlet hose
Jegs 6 AN return hose (not recommended) 8 AN is recommended
Jegs 6 AN

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