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another BBF question

  1. #1
    Senior Member nikwho's Avatar
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    Default another BBF question

    I am having my BBF 521 rebuilt because the previous owner ran a front sump pan on it and starved the engine of oil. With the boat i got the front sump pan as well as a truck rear sump oil pan. Do i need a marine oil pan or will any rear sump pan do? thanks, nik

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    Senior Member Widetrack's Avatar
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    I am not up to date on fords but fords pull oil from the front where the oil pump is located so I would think a marine pan would be in your future! For peace of mind and save a motor! My .02 WT


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    You need a marine JET oil pan....
    Chris Straub
    Straub Technologies

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  6. #4
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    Quote Originally Posted by cstraub View Post
    You need a marine JET oil pan....
    And a extended rear pickup. One thing I think gets overlooked is the pump's suction pressure, or lack of. If a gearotor pump is not set up with minimum clearances it may not have enough suction to pull the column of oil up a 12-14" x 3/4" pick up tube upon hard accelleration. By tightening the clearances of rotor to end plate and using select fit internal and external rotors to gain minimum rotor to rotor and rotor to case clearance the pump pulls harder there will be less chance on the oil stalling in the pickup.
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    Resident Ford Nut Sleeper CP's Avatar
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    Quote Originally Posted by cstraub View Post
    You need a marine JET oil pan....
    You need to tell that to Jeremy, 78ColeBBFord.

    Boy does he run the piss out of that engine with a front car sump pan on it.

    Sleeper CP

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    Senior Member nikwho's Avatar
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    Quote Originally Posted by Sleeper CP View Post
    You need to tell that to Jeremy, 78ColeBBFord.

    Boy does he run the piss out of that engine with a front car sump pan on it.

    Sleeper CP
    really? Im told that was exactly what caused the death of my 521 after only two hours of run time!!!

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    Resident Ford Nut Sleeper CP's Avatar
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    Not saying I'd do it or recommend it but Jeremy runs the piss out of that 514" of his. I think it's a Milodon T-Sump pan so it would have a scraper in it and extra volume

    S CP

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    Quote Originally Posted by nikwho View Post
    I am having my BBF 521 rebuilt because the previous owner ran a front sump pan on it and starved the engine of oil. With the boat i got the front sump pan as well as a truck rear sump oil pan. Do i need a marine oil pan or will any rear sump pan do? thanks, nik
    Ford Pick-up-truck pan. Front crossmember, especially on 4x4's got in the way, many trucks had a rear setup.

    I've seen people before have trouble on hard acceleration on a jetboat with a front-sump pan on a ford.
    Some people have trouble, some don't. Apparently yours did.
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  11. #9
    www.highflowdynamics.com LakesOnly's Avatar
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    Quote Originally Posted by nikwho View Post
    I am having my BBF 521 rebuilt because the previous owner ran a front sump pan on it and starved the engine of oil. With the boat i got the front sump pan as well as a truck rear sump oil pan. Do i need a marine oil pan or will any rear sump pan do? thanks, nik
    If you have a typical passenger car engine front sump oil pan (open/no windage tray), then it might have played a part in your oil starvation. But if you have a 460 marine front sump pan, which is basically a Cobra Jet front sump pan that has a windage tray that also serves to hold the oil around the sump, then I seriously doubt the pan is the culprit of your oil problems in your 21-foot cruiser.

    If you want to go with a rear sump marine pan, then the no-brainer in your particular case is to get an Armando's jet boat pan for your engine build. Make sure that you specify that you want the pickup that fits the Melling M84DHV rear pump oil pump and not the Cobra Jet style oil pump.

    LO
    High Flow Dynamics
    Performance Components for the 429/460 Engine Family


    This post © Copyright 2007-2020 Paul Kane. No copying, linking, printing or otherwise without express written permission.

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