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Thread: Bogging down

  1. #1
    Join Date
    Dec 2006
    Location
    johnston, rhode island,
    Posts
    23

    Default "Need help. Have twin 270'

    "Need help. Have twin 270's both run great. They are 83s an just turned 1,000 hours. I have 2 30 gallon tanks up front and 2 80 gallon tanks in the aft. I haven't any issues on the front tanks but on my port the enginge bogs down WOT in about 5 minutes. Drained all but a couple of gallons out of the tank last week. she ran great to the gas dock so I filled it up (stuipid) Put in Startron, denatured alchol and nothing helping. What am I missing?"

  2. #2
    Join Date
    Sep 2008
    Location
    Maryland - USA
    Posts
    6,827

    Default "If it runs fine on the forwar

    "If it runs fine on the forward tank, then the aft port tank system sounds like the culprit.

    dedicated filter in that loop changed?

    anti-syphon valve acting up in that tank, maybe.

    '83 - maybe the fuel line needs to be changed. could be delaminating inside and restricting flow.

    last item - maybe the valve(s) in that loop are worn and leaking air under high fuel demand."

  3. #3
    Join Date
    Sep 2008
    Location
    Maryland - USA
    Posts
    6,827

    Default "and check the vent hose for t

    "and check the vent hose for that fuel tank - any obstruction there will impede full fuel flow, too."

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