Help ID this oil pump & pickup
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Help ID this oil pump & pickup

  1. #1
    AKA OhOneWS6 Last Mohican's Avatar
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    Default Help ID this oil pump & pickup

    I thought it was an older Melling HV. The casting numbers do not match any of the pictures I have seen. There is no M77 cast into the back. Can anyone positively identify this pump and pick up? This is a Gen 6 454.





    Last edited by Last Mohican; 02-26-2013 at 05:33 PM.

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    Some guy obnoxious001's Avatar
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    I think the Mellings pumps have an "M" before the 77HV on the tag. They have various numbers on the casting,, I looked at a couple of used ones that were sitting around, but neither has 77HV on the casting,,

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    AKA OhOneWS6 Last Mohican's Avatar
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    So you have a couple you know for sure are Mellings with out the 77HV cast into the housing? I would like to figure out what it is to get the correct pickup for the new pan. Guess I can change the pump too. I kinda hate to. It held good oil pressure last summer.

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    Some guy obnoxious001's Avatar
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    Quote Originally Posted by Last Mohican View Post
    So you have a couple you know for sure are Mellings with out the 77HV cast into the housing? I would like to figure out what it is to get the correct pickup for the new pan. Guess I can change the pump too. I kinda hate to. It held good oil pressure last summer.
    The pickup will be the same regardless, I think. I don't use very many standard volume pumps, but I think the pickup location is the same on big block Chevy pumps, unlike the small blocks that have some different size pickup tubes.

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    AKA OhOneWS6 Last Mohican's Avatar
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    Quote Originally Posted by obnoxious001 View Post
    The pickup will be the same regardless, I think. I don't use very many standard volume pumps, but I think the pickup location is the same on big block Chevy pumps, unlike the small blocks that have some different size pickup tubes.

    Thanks Barry. Looking at Rex's B&B pan thread there are a few different pickups depending on which pump is used. That is Gen IV stuff though. Jeg's tech said the same thing about my Gen 6 via chat. I am not clear what the difference is between the pickups.

  8. #6
    gn7
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    Quote Originally Posted by Last Mohican View Post
    Thanks Barry. Looking at Rex's B&B pan thread there are a few different pickups depending on which pump is used. That is Gen IV stuff though. Jeg's tech said the same thing about my Gen 6 via chat. I am not clear what the difference is between the pickups.
    Some pumps have M77 cast into them, but not all of them.


    Almost all Mellings Pumps have USA cast into them. But I understand the newer "standard" M77 may not, and may not being cast here.



    There is no difference in the pickups for a standard M77 and a M77HV.

    The pickup you have appears to be a Mellings 305S And I don;t like them. They seem to have a tendency to create a vortex. Perfectly round pickups seem to work better if they have a baffle plate like the stock GM pickup. Any other shape than round seems to be OK.




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    Last edited by gn7; 02-26-2013 at 07:42 PM.

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    Senior Member jetboatperformance's Avatar
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    Matt it looks like that Pickup made have been produced or modified from an aftermarket replacement (Napa etc)

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    gn7
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    Quote Originally Posted by jetboatperformance View Post
    Matt it looks like that Pickup made have been produced or modified from an aftermarket replacement (Napa etc)
    I agree Tom. Most of the pickups you get from auto parts stores are either Mellings, or clones of the Mellings pickups.

    Another view of the Mellings 305s pickup.



    There is a possibilty the pump is made by a company called Qualcast that uses Mellings part #s without the M, Their part number for a BBC HV pump is 80-77HV but only the 77HV is on the part. The 80 simply identifies the part as an oil pump.

    LINK: Qualcast



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    Last edited by gn7; 02-26-2013 at 08:11 PM.

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    Senior Member jetboatperformance's Avatar
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    Quote Originally Posted by gn7 View Post
    I agree Tom. Most of the pickups you get from auto parts stores are either Mellings, or clones of the Mellings pickups.

    Another view of the Mellings 305s pickup.
    Bob we utilize these (Napa) over some that are offered in the after mkt due to general design and shape , personally dont care for the little rectangular "jobbies" and if correct for the pan depth these work well , I think the original app that works with jet pans was some BBC Corvette and Chevelles (7 7/8 +or- pan depth) Tom

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    Question! What pan are you taking off and which pan are you putting on! Reason for the question is I installed a pan on a BBC over the weekend! Pictures will tell the story!

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    gn7
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    Mellings and others make similar pickups. I perfer the ones that have a baffle plate across the screen as opposed to the full round exposed screen. Mellings makes them both ways. Can't explain it, but they seem to hold oil pressure better at elevated Rs. Say above 6000 with a HV pump. Also, its almost impossible to get the pickup to close to the bottom of the pan. The baffle shield will hit first.





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    Senior Member Marcsrollin's Avatar
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    That oil pump looks like the off shore one's that procomp and other companys sell. I have seen alot of them , and the part number is just 77-hv.
    No matter how good she looks , someone is tired of her shit!

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    Senior Member ol guy's Avatar
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    Quote Originally Posted by jetboatperformance View Post
    Bob we utilize these (Napa) over some that are offered in the after mkt due to general design and shape , personally dont care for the little rectangular "jobbies" and if correct for the pan depth these work well , I think the original app that works with jet pans was some BBC Corvette and Chevelles (7 7/8 +or- pan depth) Tom
    Tom, the reason for requesting a picture is that some windage trays will accept a rectangular pick-up and some will accept both. On a BBC with a standard depth pan I like the s-77 pick-up which is windowed and not an open 360 degree screen. But again it depends on the windage tray used.

  16. #14
    gn7
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    Quote Originally Posted by ol guy View Post
    Tom, the reason for requesting a picture is that some windage trays will accept a rectangular pick-up and some will accept both. On a BBC with a standard depth pan I like the s-77 pick-up which is windowed and not an open 360 degree screen. But again it depends on the windage tray used.

    The S77 pickup is very similar to the OEM GM pickup and its an excellent design. You do need to be a little more carefull about the distance from the bottom, but no more than most piCkups. It does require a little more room in the pan than some designs, and it may interfere with the swing gates in some pans. But it is an excellent pickup.

    Lot of people think the window restricts oil flow. IT DOESN'T!





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    Last edited by gn7; 02-26-2013 at 09:06 PM.

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