Oil accumulators
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Oil accumulators

  1. #1
    Senior Member tt005's Avatar
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    Default Oil accumulators

    I was thinking about running one on my boat and would like to hear if anybody has had any experience with them.

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    Senior Member Bubbletop409's Avatar
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    I don't have any experience running one in a marine application, but did add one to my Lumina drag car after experiencing pressure loss in the shutdown area while on the brakes. I used the Moroso 3 qt. version and was very pleased with the results. An added benefit is the ability to put oil pressure to a motor that has been sitting awhile prior to start up.

    I guess your intended use would be the deciding factor, but I do not see the need for one in a recreational boat.
    Larry

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    Senior Member tt005's Avatar
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    I just built a new 540 for my flat. I will use it mainly for the track.I would like to setup the motor with a dry sump but just dont have the money for that.I have been told the oil accumulator is a poor mans dry sump.

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  6. #4
    Senior Member Bubbletop409's Avatar
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    [quote=tt005;549287]I just built a new 540 for my flat. I will use it mainly for the track.I would like to setup the motor with a dry sump but just dont have the money for that.I have been told the oil accumulator is a poor mans dry sump.[/quote


    Well in a way I guess you could look at it that like that, in the respect you can run a slighlty lower oil level in the pan and not worry about oil starvation. In my case I was also running a 540 with an offset shoe box type sump with good baffling. Once during a refresh I was cleaning the pan with solvent and tipping it from end to end. I noticed even with thin solvent the baffles were doing a good job of controlling slosh, it was a BILLET FAB pan, and I contacted the builder about the problem. He ask if I had screens in the valley and a Jesel drive, and I did have both. I was informed part of the problem was due to restricted oil RETURN to the pan. He suggested the accumulator and it solved my issue. Another thing you can do if the motor is still apart is to install oil return lines from the ends of the heads to the pan, the bigger the better, but the return bungs in the pan should be close to the bottom to prevent further aeration of the oil.
    Larry

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    Red Blooded American The Doctor's Avatar
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    Accusump and/or Moroso 3QT units are a great way to pre-pressurize your engine at startup as well as compensate for the ever-unpopular dry spots in shut-down or hard corners depending upon your pan's configuration. They can be very helpful but must be installed correctly.
    The best things in life aren't things!

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    Senior Member tt005's Avatar
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    Thanks for the replies.The motor is assembled and already installed.I should have given it a little more thought at the time.It looks pretty easy to install and for the price looks like cheap insurance.

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    Senior Member VDRIVERACING's Avatar
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    MAXI uses one of those in his GN305. He is a good resource if you want installation advice.

  10. #8
    Senior Member MACHINEHEAD1's Avatar
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    Run it for sure. BTW, not even close to a poor mans dry sump

  11. #9
    Senior Member motormonkey's Avatar
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    Its been said, great cheap insurance.

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