900 HP

Discussion in 'Big Block Cadillacs' started by Cadiac, Oct 9, 2018.

  1. Darius

    Darius Well-Known Member

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    Nothing serious. Just spirited foreplay!

    Oops, there went that soap again …….:sneaky:

    Sudsy d
     
  2. Cad Man

    Cad Man Active Member

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    Well PJ
    It has 56 psi @6900 rpm..
    I haven't asked him what pump until now... we will see..
    As you can see it obviously dosent have a belt drive pump...
    It also has a solid roller so no oil control in the lifters and no bushings in the lifter bores..
    It has to have tighter clearances or it would not have that much psi
    The best known fixes to the stock pump have been posted by someone I know ..hehe

    I don't know how different the Bulldog is compared to a MTS single..
    that is after the MTS single plane has been ported.. but they are still different
    But on a lesser power motor [700hp ish] the mts single plane cost 60 ft lbs torque with open headers...
    and made 687 hp where the 1475 made 738hp.. So Iam certain there is a good amount more power to be found.. Plus lets not forget this isn't a motor that had a bunch of cams to try to make the most out of but 1 cam
    to test... for now..
     
    Last edited: Oct 15, 2018
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  3. Cadiac

    Cadiac Active Member

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    What vehicle(s) do you drive?:
    94 caprice HiPo, 05 Corvette, 02 Chev 2500 Duramax
    1475 being the Boogieman?
     
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  4. PJ McCoy

    PJ McCoy Well-Known Member

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    Hehehe! I know him too!!! That's exactly why I asked about it. Life just a lot more interesting here on the forum. hehehe!
    PJ
     
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  5. Cad Man

    Cad Man Active Member

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    Stock pump..
    Cadiac.. Boogieman is the 2 piece intake 1475 is the tall intake
     
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  6. Cadiac

    Cadiac Active Member

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    What vehicle(s) do you drive?:
    94 caprice HiPo, 05 Corvette, 02 Chev 2500 Duramax
    Thought they were both called boogieman? I have the tall one
     
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  7. Cad Man

    Cad Man Active Member

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    Yes Cadiac the distinction I think is the tall one is a 1475 the two piece is just s Boogieman

    Have you bolted it on yet ?

    When I said Bulldog intake I meant Bulldog you can see it here..it definitely is not the mts intake ...

    2 1/4" headers you can see the adapter Courtney uses to bolt them up.. it has flat heads bolted to the head then the headers bolt up to it

    Plain old Cadco stock pump
    No premium girdle

    I bet it would have made another 60hp with 1475.. another cam change bigger of course and I bet it may have gone to 4 digits !! If he builds what he talked to me about the 582 will be small.

    4.625 bore 4.750 stroke = 638...

    And we may yet see that 1000 or 1100hp na Cadillac

    Now if the 3 sets of full race Boogieman heads ever get found with 2.350 intakes that's a different ball game.. or did Stan say 2.450 ??

    43532511_1959425467429600_4310729113011748864_o.jpg
     
    Last edited: Jan 14, 2019
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  8. Cad Man

    Cad Man Active Member

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    Courtney has told me repeatedly..
    Cadillacs DO NOT have internal oiling issues ... the exception to this would be the early NON 5200 blocks that had smaller oil passages

    proper not excessive bearing
    clearance is critical.. for the vast majority that's all that's required..
    even for the Monster I am building he said .002 - .003 max basically stock
    rod side..99% should be tighter than that. .002 if your really gonna lean
    on it maybe .0025 for mains .. .0022 ideal Rods around .002.. how does
    that compare with the specs tossed
    around this forum ??

    Aside from the occasional belt drive pump if spinning them high enough rpm.

    There was really nothing special
    done to this motor. Just 3/4"
    cap straps, halo and studs..
    Cadco cast aluminum pan
    Cadco's oil pump with a good unrestricted oil pickup !!

    The stock block with this formula has been ran to 1200hp ... Sean's bearing issues went away when he added cap straps to the middle 3 bearings and was making 1150 ish hp
    fwir they were only 1/2 thick.
     
    Last edited: Jan 14, 2019
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  9. PJ McCoy

    PJ McCoy Well-Known Member

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    Thank for that correction. I wad believing that the oil passages were to small limiting the amouny of oil needed at higher rpms. But now that I see the your bearing clearance is tighter,
    I apologize to everyone for my comment. I surely dont want to continue spreading ignorance.
    I do have one question for you CadMan.
    Why did you cut the grooves in your bearings if the oil was plenty?
    Was it because the more flow over the crank will handle greater loads? Or maybe allow for a cooler bearing?

    I will admit, I am learning and I no nothing concerning bearing tolorances.
    Humbley yours
    PJ.
     
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  10. Cad Man

    Cad Man Active Member

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    No need to apologise..


    Did it because I seen it on newer engines
    Wasnt sure I should...
    .
    Allowing more oil in canf hurt

    And I still would open the feed hole in the shell to the block ..

    I was just relaying what I've been told afterall he has more experience than anyone by lightyears
     
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  11. 53 Studillac

    53 Studillac Well-Known Member

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    Cad Man,

    Would that 4.625 bore be a fully sleeved block? I wonder how big one could go with sleeves?

    Dwayne
     
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  12. Roy Heisenberg

    Roy Heisenberg The 472 Crank is stronger due to overlap

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    472 Caddy in a ‘75 Jeep J-20 TH-400 Dana-60 100LL
    Wow ! Just WoW !!!
     

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