Mine has a tank's inc tank and a Walbro 450 pump.(for e85 compatibility) Carl devised a way to use one of his controllers triggered by my ECU(MS3 Pro Ultimate) I will be using the open loop PWM strategy of my ECU to pump through my existing return regulator. You could also use the Corvette style and have a short return line. You cannot deadhead any fuel pump. You can run a single line forward to the engine, but somewhere the pump has to be able to bypass. It could be with a Corvette style regulator and short return, or even a regular regulator and short return. It could be done internally in the tank(bleed orifice on the pump, or siphon jets etc) But no fuel pump I'm aware of can be truly deadheaded. I am unfamiliar on how/if the Holley does PWM, so I'll be no help there...
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'65 Tempest 467 3650# 11.30@120.31
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