BBC wet sump oil pump recomendation
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BBC wet sump oil pump recomendation

  1. #1
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    Default BBC wet sump oil pump recomendation

    509" blown injected engine for 1/4 mile lake racer. What are you guys using for a pump, anyone tried a Titan?

    Thanks in advance - CM


    Wags.... It has aluminum rods.
    Last edited by CMLNS; 06-15-2012 at 01:45 PM.

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    Senior Member wagspe208's Avatar
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    Oh, boy... here we go. It is going to get good... I'll start.
    Melling M77HV
    Wags

    Oh, you would be better off spending your time and thoughts making sure you have the right bearings, and bearing clearances.
    Oh, steel rods I assume?

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    Clay Smith "blue printed" melling...... or CP performance "blue printed" melling they simply kick ass.

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    gn7
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    Tell me PS&B, does the Clay Smith maonage to somehow over come the fact that the NEW Mellings is a diiferent casting that before 1995 GEN motors, and that the iron SEEMS to be lacking for the OLD days. Does he have a special casting all his own, or is he blueprinting the same casting I can buy? Just curious!



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    Senior Member steveo143's Avatar
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    Titans are great! Have 2 for sale cheap, 400 shipped.
    steveo143 AKA DiMarco 21 II



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    Quote Originally Posted by gn7 View Post
    Tell me PS&B, does the Clay Smith maonage to somehow over come the fact that the NEW Mellings is a diiferent casting that before 1995 GEN motors, and that the iron SEEMS to be lacking for the OLD days. Does he have a special casting all his own, or is he blueprinting the same casting I can buy? Just curious!
    Same one you can buy Bob, The blue printing is on the INSIDE of the pump! LOL.... I have not used the ''NEW"" ones as of yet. But Lots of us on here Do, I have not heard of any problems. for 150.00 they are worth it.JMO

  9. #7
    steelcomp was here
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    New select series Melling is a nice pump for an iron OEM style pump. Comparing that with a billet pump is appls 'n ar'nges.
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    Default 107 series Melling....

    Quote Originally Posted by steelcomp View Post
    New select series Melling is a nice pump for an iron OEM style pump. Comparing that with a billet pump is appls 'n ar'nges.
    The proof is in the inspections..... I have inspected about a dozen 10777, (discontinued screw in pick up type), and the 10778, 10778C pumps... They have ALL been right on the numbers. You'd think ANY quality pump would check out well, but most do not..... The "C"s are a little loose for a pleasure boat due to lower idle pressure, but they sure work well in high RPM applications... Having axle support in the covers adds a great deal to their ability to remain straight under heavy loads. You'd be amazed at how far those shafts flex with no lower support.... I also like the idea of a pipe plug in the end of the bypass chamber. No more little roll pins to mess with. Both of those pumps come with two bypass springs to choose from.. Oh, and the covers are precision located with hollow dowel pins in two cover bolt stations....
    I highly recommend the 10778, and the proper pick up for your pan.....
    Ray
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    Am I a retard? What do the 10778 and 10778C do that a 77HV won't ?
    Wags

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    Yes. I have been using them since that was all that was available. I always yank the cover off, check them, etc. But I have great looking bearings.
    Wags

    With that being said, most of these guys have way more experience and build way more engines thn I do, so take my info with a grain of salt.
    Last edited by wagspe208; 06-17-2012 at 07:40 AM.

  13. #11
    gn7
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    Quote Originally Posted by wagspe208 View Post
    Am I a retard? What do the 10778 and 10778C do that a 77HV won't ?
    Wags
    They all pump oil Wags.
    The 10778 and C have extended shafts the are support by the cap, and they have a cap screw that holds in the relief spring instead if a pressed in cup. The "C" has anti-cavitation slots and uses a hex drive shaft. And they both appear to be assembled with a little more care. I have yet to see a 10778 that required any work other than taking it apart and cleaning.




    The problem I have with any of the pumps now is they are all built to be used on a GEN 5-6. GM made the rear cap tall at the inner bolts of the cap, and the old pump would clear the bolt head under the pump. With the "old" pumps, if you ran studs, you had to trim the stud flush with the nut, AND still grind the nut on angle to clear the pump. With the new pumps you don't even need to cut the excess stud length off. The metal they removed to clear the cap screw on the Gen 5-6 weakened the pump.
    Add this to the fact that I seriously believe the material itself is weaker, and you start see broken pumps in boats.

    OLD PUMP Notice the area around the shaft, and across to the mounting pad.



    Compare that to the "NEW" pump. If you weight the too pumps you'll find they removed more material than just that.



    May not seem like much of a change, but to me, its HUGE. The difference can result in this:
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    Regardless what some fool might tell you. No self proclaimed lengendary cam duplicator/fuel pump reproducer can make this pump stronger.



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    Last edited by gn7; 06-17-2012 at 08:16 AM.

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    Senior Member Flat BROKE 612's Avatar
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    Any opinions on the TITAN pumps? They are offering a "sportsman" series since I used one last...
    If you love someone set them free, If they come back with the cops...RUN!!!

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    I have 2 Titan pumps sitting on the shelf and they work great! I have switched to a dry sump system but if I was building a wet sump I would be using the Titan. You have to have a pan modified to fit them or have one built by Billet Fabrications or Stef's or any custom builder which gives you the best wet sump oiling system out there! The remote pickup system has several variations available with AN plumbing in different sizes.
    steveo143 AKA DiMarco 21 II



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  16. #14
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    Quote Originally Posted by gn7 View Post
    Regardless what some fool might tell you. No self proclaimed lengendary cam duplicator/fuel pump reproducer can make this pump stronger.
    Been wondering if one of these might be cheap insurance?

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