1977 chevy scottsdale fuel filter goes empty after running 20 minutes
I have a 1977 chevy scottsdale. I bought the truck
a year ago and have problems with the filter
staying full. When the filter is full the truck runs
good for about 20- 30 minutes then the filter goes
completely empty and the truck dies I'll leAve it
parked for a day or 2 start her up and samenities
thing filter goes empty. What is the problem?