fuel system help

I’m currently running Vmp’s return style fuel system. It’s been great however around 70-60 miles left to “E” or atleast what the car thinks is 60-70 miles left to E the gauge will drop and I will get the “3 miles to E” and so on. At that point if I fill up it only takes 10 gallons meaning there...

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Anyone know what fuel pressure regulator comes in the Li Tuning Twin Pump Fuel System 1000RWHP Return Style from beefcake? I know it's an Aeromotive regulator but looking for some specifics

So any help will be greatly appreciated. I own a 2016 Mustang Gt, gen 2 whipple, and a cobrajet cold air intake, headers, exhaust, sai li dual return style system with id1000s and am runnin about 14lbs of boost on the 3.25 pulley and E85, good for about 845hp. The basic issue with the car is if...

Hi everyone, on cold starts my car take 5-8 seconds and sometimes backfires. It recently started doing this, no new modifications. I have changed the battery along with MAF sensor. Not sure how to pressure check the fuel system on the coyotes, to see if it is a bad fuel check valve. Any help...