fuel delivery help Options

[FastFroggy]

Looking for any additional insight into possible things gone wrong.

Let me first start with the fact that I did not build the car and the builder/owner are not available for insight.

* two weeks ago, the green monster ran great no issues to local cars and coffee.
* yesterday morning was unable to start and based on evidence, issue is lack of fuel to carburetors.

Further investigation has evidence that I have no fuel at my 45s fuel pump nor before and after the Mallory fuel filter ahead of the pump.

I had over 7 gallons of fuel in the tank so I am completely baffled as to how I would get no fuel on the inlet to fuel filter that I believe is direct gravity fed from stock fuel tank.

It looks like I need to pull the fuel tank to unstained what is going on. Let me know if I should check anything else???

Thanks