Holley Blue Fuel Pump Question
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Holley Blue Fuel Pump Question

  1. #1
    79 Sanger Picklefork Tittyman's Avatar
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    Default Holley Blue Fuel Pump Question

    My Blue Holley pump is starting to act up...I know there are rebuild kits. The question is, is there actually a motor inside the pump that can go bad, or does it operate on some type of
    electrical field? Generally should you replace or rebuild? Runs for awhile then stops,,tap on it a few times and runs for a short time then stops..electrical connections are good..What a week, first the starter and now the fuel pump..
    Last edited by Tittyman; 06-04-2009 at 10:20 PM.
    "Bill, if your gonna ride my ass that hard, at least you could pull my hair"....Hillary Clinton

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    Senior Member jetboatperformance's Avatar
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    Quote Originally Posted by Tittyman View Post
    My Blue Holley pump is starting to act up...I know there are rebuild kits. The question is, is there actually a motor inside the pump that can go bad, or does it operate on some type of
    electrical field? Generally should you replace or rebuild? Runs for awhile then stops,,tap on it a few times and runs for a short time then stops..electrical connections are good..What a week, first the starter and now the fuel pump..
    Dump it ! your lake trips are worth more than the price of a questionable part IMO

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    Senior Member blownjet's Avatar
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    Quote Originally Posted by Tittyman View Post
    My Blue Holley pump is starting to act up...I know there are rebuild kits. The question is, is there actually a motor inside the pump that can go bad, or does it operate on some type of
    electrical field? Generally should you replace or rebuild? Runs for awhile then stops,,tap on it a few times and runs for a short time then stops..electrical connections are good..What a week, first the starter and now the fuel pump..
    Had that prob. years ago, try marvins mystery oil, 3 oz. per 10 gal. of fuel, helps lube the pump and solved the prob i had and this sounds exactly what i was goin through!

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    79 Sanger Picklefork Tittyman's Avatar
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    Quote Originally Posted by blownjet View Post
    Had that prob. years ago, try marvins mystery oil, 3 oz. per 10 gal. of fuel, helps lube the pump and solved the prob i had and this sounds exactly what i was goin through!
    I have always used avgas..maybe it is a little dry..did you rebuild your pump or just add oil to your fuel...what type of fuel were you running..
    "Bill, if your gonna ride my ass that hard, at least you could pull my hair"....Hillary Clinton

  7. #5
    Senior Member GT Jets's Avatar
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    Quote Originally Posted by Tittyman View Post
    My Blue Holley pump is starting to act up...I know there are rebuild kits. The question is, is there actually a motor inside the pump that can go bad, or does it operate on some type of
    electrical field? Generally should you replace or rebuild? Runs for awhile then stops,,tap on it a few times and runs for a short time then stops..electrical connections are good..What a week, first the starter and now the fuel pump..
    Holley Blue pumps can be built, but what is your time worth and would you trust it?

    IMHO I would install a new one and build the old one to keep as a spare, may save a weekend

    GT
    GT


    Quote Originally Posted by Quickjet View Post
    Put a 300 on the back of it, Flywheel it and a nosecone. $15,000 later you'll have a 65 mph pile of shit......

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    Jackwagon Patrolman Rexone's Avatar
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    I have used a lot of Holley pumps in the past and worked on many. I now use the Mallory Gerotor design.

    That said, the Holley pumps have sliding "steel" vanes which are subject to corrosion and rust. If you've had any water through your fuel system this can be the problem. Pull the bottom cover and make sure all the vanes are moving freely. If they are not, or if the pump housing is full of rust and crap, take it apart and clean all the parts. There are kits on several levels to work on these pumps. They're a decent pump, just not real tolerant of moisture (common to boats).

    Separate from the lower fuel housing is the motor. Cap and Brush kits are available for these if they are worn out.

  9. #7
    Senior Member GT Jets's Avatar
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    Quote Originally Posted by Rexone View Post
    I have used a lot of Holley pumps in the past and worked on many. I now use the Mallory Gerotor design.

    That said, the Holley pumps have sliding "steel" vanes which are subject to corrosion and rust. If you've had any water through your fuel system this can be the problem. Pull the bottom cover and make sure all the vanes are moving freely. If they are not, or if the pump housing is full of rust and crap, take it apart and clean all the parts. There are kits on several levels to work on these pumps. They're a decent pump, just not real tolerant of moisture (common to boats).

    Separate from the lower fuel housing is the motor. Cap and Brush kits are available for these if they are worn out.

    Had a shaft seal fail on the Mallory yet? Thats fun, I had an issue with a tank vent and those pumps don't like to be pressurized....Good pump though, a lot quieter than the Blue thunders lol

    GT
    GT


    Quote Originally Posted by Quickjet View Post
    Put a 300 on the back of it, Flywheel it and a nosecone. $15,000 later you'll have a 65 mph pile of shit......

  10. #8
    Jackwagon Patrolman Rexone's Avatar
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    Quote Originally Posted by GT Jets View Post
    Had a shaft seal fail on the Mallory yet? Thats fun, I had an issue with a tank vent and those pumps don't like to be pressurized....Good pump though, a lot quieter than the Blue thunders lol

    GT
    No I've avoided that good fortune so far.

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    Boss of the McIntyre Mob danhercules's Avatar
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    Every time I see a Holly fuel pump thread I think of Lakesonly in the Avi parking lot during the CBBB. Man that pump had a ride!!!! Funny stuff.


    Very first TPR 21' Deck. 528 BBF 736hp on pump gas built by High Flow Dynamics

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    Boat Nut sleekcrafter's Avatar
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    Quote Originally Posted by GT Jets View Post
    Had a shaft seal fail on the Mallory yet? Thats fun, I had an issue with a tank vent and those pumps don't like to be pressurized....Good pump though, a lot quieter than the Blue thunders lol

    GT

    Rebuild the Mallory, when you do fill the seal cavity with grease, it will last forever then.
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    Senior Member GT Jets's Avatar
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    Quote Originally Posted by sleekcrafter View Post
    Rebuild the Mallory, when you do fill the seal cavity with grease, it will last forever then.

    Oh yeah! Put I a $20 kit in it and its better than a new one

    GT
    GT


    Quote Originally Posted by Quickjet View Post
    Put a 300 on the back of it, Flywheel it and a nosecone. $15,000 later you'll have a 65 mph pile of shit......

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    Senior Member Delemorte's Avatar
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    Quote Originally Posted by jetboatperformance View Post
    Dump it ! your lake trips are worth more than the price of a questionable part IMO
    Ill second that motion.. All parts like that to me are desposable.. And typicly if they strand me they end up at the wrong end of the rifle range for some revenge time. So not alot left for rebuilding.
    Quote Originally Posted by jetboatperformance View Post
    the ensueing fire would likely be extinguished by the sinking however

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    Senior Member moneysucker's Avatar
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    Quote Originally Posted by Rexone View Post
    I have used a lot of Holley pumps in the past and worked on many. I now use the Mallory Gerotor design.

    That said, the Holley pumps have sliding "steel" vanes which are subject to corrosion and rust. If you've had any water through your fuel system this can be the problem. Pull the bottom cover and make sure all the vanes are moving freely. If they are not, or if the pump housing is full of rust and crap, take it apart and clean all the parts. There are kits on several levels to work on these pumps. They're a decent pump, just not real tolerant of moisture (common to boats).

    Separate from the lower fuel housing is the motor. Cap and Brush kits are available for these if they are worn out.

    I had a holley blue lock up on me at the lake and being that there was no sand paper there, we took it out, took it apart, and cleaned the rust off with the sand from the beach, washed everything off reassambled and ran for the res of the year. I have since retired the pump from fuel duty and use it for changing my oil now.

    Cy
    Vinyl Graphics, Magnetic signs, Reg #s, Boat names, Banners, Boat decals, Etc. Please contact me Via facebook or e-mail [email protected].

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    Quote Originally Posted by moneysucker View Post
    I had a holley blue lock up on me at the lake and being that there was no sand paper there, we took it out, took it apart, and cleaned the rust off with the sand from the beach, washed everything off reassambled and ran for the res of the year. I have since retired the pump from fuel duty and use it for changing my oil now.

    Cy
    hmmm...never thought of that!

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