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  1. M

    Vapor lock

    Ok so I decided to buy a new fuel pump just to check. Put it on and now the truck will not idle it will run fine once you get it going but it will idle rough until it dies
  2. M

    Vapor lock

    Ok so I drove about 3 miles home from school today and it tried to die on me. It's about 95 degrees when I got home I popped the hood almost no fuel in filter so I got the hose and held it on the pump and the filter filled back up.
  3. M

    Vapor lock

    So I have a stock 77k20 with no smog. It has dual tanks. A fairly ne fuel pump with no return line fitting. The truck performed well all winter. But the temps climbed to about 85 yesterday and the truck started to vaporlock. I have already installed a carb spacer with no luck. I have a clear...

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