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Daves69 Daves69 is offline

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  1. Daves69
    10-28-2016 07:31 PM
    Daves69
    Well I have to say I've never seen a fuel system actually drain a carb to the point the pump has nothing to pump myself. You say that you have and I will not dispute you on it.
    I wouldn't remove a fuel return.
    IMO, If the tank is building vacuum I think I'd look for a plugged vent. I've heard stories of spiders nesting in vents plugging them. Never experienced it. Maybe even running the cap loose can help determine.
    Vapor lock can be due to too much heat running through the crossover if it has one. Excessive under hood heat too. Maybe even low fuel pressure. Is it percolating the fuel after shutdown?
    Block offs for the crossover can help. Heat deflector plates and fiber carb spacers are available. Then there's always the cool can option. A little extreme for this though.
    Just what is the vehicle and engine. I think I still have an '89 Ramcharger SM around here.
  2. Bigfoot60
    10-28-2016 12:59 PM
    Bigfoot60
    I am familiar with needle and seats and yes it can flow fuel by the needle and seat I have seen it many times .I had the truck quit and when I pulled off the fuel return it shot out a stream three feet till the pressure bled off.. Why is it vapor locking and . and can I remove the return. This is the first 80s dodge I have owned and none had the return. Did I forget to say I too am a mechanic I have not run into this problem before with a dodge and there have been many pickups and cars.

About Me

  • About Daves69
    Vehicle Information
    2005 Ram 1500
    Location
    Chi - west
    Interests
    Mopar Boating Fishing
    Occupation
    Mfg. Manager
    First Name
    Dave
  • Signature
    Daves69

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  • Last Activity: 04-24-2017 12:03 PM
  • Join Date: 12-07-2012
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