Brown gelatin crap in fuel filter???
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Brown gelatin crap in fuel filter???

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    Senior Member Franger's Avatar
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    Default Brown gelatin crap in fuel filter???

    Posting this question for my buddy, he took his hydro out yesterday and said it didn't run so good. He normally runs the boat to 6500 and shuts it down but said all he could get was 5700. He said it was popping while cruising around 3500.

    Motor is a 12:5 1 468 bbc two 750 holleys, new mechanical fuel pump, new fuel filter. Aluminum tanks .... Running 50/50 110 Sunoco and pump gas. It's ran great until it sat for the last month ...

    Any ideas?

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  3. #2
    gn7
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    Quote Originally Posted by Franger View Post
    Posting this question for my buddy, he took his hydro out yesterday and said it didn't run so good. He normally runs the boat to 6500 and shuts it down but said all he could get was 5700. He said it was popping while cruising around 3500.

    Motor is a 12:5 1 468 bbc two 750 holleys, new mechanical fuel pump, new fuel filter. Aluminum tanks .... Running 50/50 110 Sunoco and pump gas. It's ran great until it sat for the last month ...

    Any ideas?
    You guys have ethanol in the gas up there?



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    Senior Member Franger's Avatar
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    Not sure, I'll find out.

    Would ethanol eating away the fuel lines cause that brown goo?

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    gn7
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    Not sure why its brown, but E10 will gel. More so than the E85. But its usually pretty white.

    If it has ethanol in it, Lucas Ethanol stabilizer or Joe Gibbs Driven "Defender".



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    Last edited by gn7; 09-16-2013 at 11:46 PM.

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    Saw a truggie that ran on E-85...ate the insides of the fuel cell
    and brown funk in the fuel filter.
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    Senior Member Franger's Avatar
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    Quote Originally Posted by gn7 View Post
    You guys have ethanol in the gas up there?
    Talked with my buddy, he's used only 110 for the last two times he's gassed up. The time he added pump gas he mixed 1-1/2 gal pump gas with 3-1/2 110 Sunoco. He put 7-1/2 gal in each tank and the next day at the lake (1st time in water after he bought the boat) is when he first discovered the brown goo.

    The next week we rebuilt the carbs, stuck a new mechanical fuel pump and new filter on it and it has run great UNTIL the boat sat for a month..... it has the brown goo again

    We're wondering if possibly the tanks had lots of dried up pump gas in the tanks from the previous owner that the new gas has softened/ loosened and is now that goo that's clogging up the fuel filter???

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    gn7
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    Quote Originally Posted by Franger View Post
    Talked with my buddy, he's used only 110 for the last two times he's gassed up. The time he added pump gas he mixed 1-1/2 gal pump gas with 3-1/2 110 Sunoco. He put 7-1/2 gal in each tank and the next day at the lake (1st time in water after he bought the boat) is when he first discovered the brown goo.

    The next week we rebuilt the carbs, stuck a new mechanical fuel pump and new filter on it and it has run great UNTIL the boat sat for a month..... it has the brown goo again

    We're wondering if possibly the tanks had lots of dried up pump gas in the tanks from the previous owner that the new gas has softened/ loosened and is now that goo that's clogging up the fuel filter???
    that's entirely possible.



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    Senior Member hava life's Avatar
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    Wink

    Drain the tanks and lines,

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    Senior Member Franger's Avatar
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    Quote Originally Posted by hava life View Post
    Drain the tanks and lines,
    Not in any big rush but that's the plan over the winter .... got till April of 2014 to get that accomplished lol

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