Posted by Hobo,NC on April 15, 2016 at 19:10:53 from (75.138.218.81):
I replaced the fuel pump on a 72 chebby pick up first of the week, I forgot how much fun they were to replace and all the tricks that can make it go EZ. After I replaced it the carb immediately flooded I thought it was a carb issue as I had moved it out of the shop last week at closing time because it was leaking fuel and the engine seamed to flood EZ...
I got on it the first of the week to replace the engine mounts and found the fuel pump leaking so replaced the pump. I just knew it was a carb issue so took it off and could not find a thing wrong with the carb, the needle and seat passed a pressure test with flying colors :shock: About the only thing I could see was the last guy are gal was not much of a man and just snugged up the needle seat and all the screws. The owner said he had never experienced a flooding issue but had smelt the fuel and it had stopped running like it ran out of fuel...
I put the carb back on and it started pushing fuel out the top of the carb :evil: I put a fuel pump pressure tester on it and it pegged the gauge out at 15 PSI PLUS :shock: It has to be the pump so order up another Airtex pump and the same thing happened :shock: :shock: I put the pressure gauge on it again and all seamed well till like flipping a switch the pressure shot up to 15 plus PSI and fuel started pouring out the top of the carb...
I made a call to Airtex and the tech said it must have had the wrong spring installed in the pump. I called up another parts store and got a different brand pump and all is well... Thanks China for a screwing me out of a days work :!:
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