Mts on hot rod show

Discussion in 'Big Block Cadillacs' started by Outlaw, Jan 30, 2020.

  1. Outlaw

    Outlaw Member

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    was their a list of parts that they used to build that motor, Its
    in the range of hp I’m lookng for
     
  2. kzhurley

    kzhurley Active Member

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  3. 5one9

    5one9 Active Member

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    Hot Rod TV episode on YouTube
     
  4. 5one9

    5one9 Active Member

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    0.060” over 500. MTS aluminum heads and intake. Roller cam I believe was 248 at 0.050”. 10.0:1. Cromoly fasteners. Large capacity pan. Nothing exotic as far as Cadillac is concerned. But expensive. Oh and Ultra HP 950. All this is my recollection. Video is on YouTube
     
  5. Outlaw

    Outlaw Member

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    Thank you
     
  6. Darius

    Darius Well-Known Member

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    No, this was just a magazine article featuring a stroker engine.

    While a good story there was some pushback against this article because the engine build was done by Dick Miller Racing, a specialist in Oldsmobile engines, not Cadillacs. That said, would kick that engine out of my engine bay for eating crackers? No! But I would prefer the one built by Marty Lane (deceased) and John Walker.

    Jus' sayin',

    bro. d
     
    Last edited: Feb 2, 2020
  7. Darius

    Darius Well-Known Member

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    There is some clarification necessary about the MTS/Horsepower TV show. Not everything was as it seemed. Below is the text (transcript) of the program but at the end are a few comments that might be of interest.


    Episode Transcript

    (ANNOUNCER)>> NO EVERYDAY ENGINE BUILD TODAY. ONCE AGAIN HORSEPOWER'S TAKING ON ONE OF "THE OTHER ENGINES" OF HIGH PERFORMANCE HISTORY. THIS TIME IT'S A CADILLAC 500, THE BIGGEST BIG BLOCK FROM GM'S LEGENDARY LUXURY RIDE!



    (JOE)>> JOHN BROUGHT US EVERYTHING WE NEED TO BUILD A PUMP GAS FRIENDLY 500, INCLUDING SEVERAL PARTS MTS DESIGNS AND MANUFACTURES. WE PLAN TO BUILD AN ENGINE THAT'LL HAVE ENOUGH TORQUE TO PULL A HOUSE DOWN, AND HORSEPOWER, WE'LL ALL FIND THAT OUT LATER.

    (MIKE)>> THE BLOCK WAS MACHINED BY MIKE GRAHAM IN BOWLING GREEN, OHIO. IT'S 90 OVER, HAS A 4.304 STROKE WITH A 4.390 BORE FOR 520 INCHES.


    WE'RE USING THE HYDRAULIC ROLLER CAM SHAFT. IT HAS A LOBE SEPARATION ANGLE OF 110 DEGREES, DURATION AT .50 IS .248 ON THE INTAKE, .248 ON THE EXHAUST. LIFT AT THE VALVE WITH A ONE-SEVEN ROCKER ARM IS .640.


    THE GUYS FROM MTS ACTUALLY GOT TOGETHER WITH THE GUYS FROM DIAMOND TO CREATE THEIR OWN PROFILE. NOW WHAT IT ENTAILS IS A TOP RING OFF ONE SIXTEENTH, SECOND RING OF ONE SIXTEENTH, AND A THIRD RING OF THREE SIXTEENTHS ALONG WITH AN ANTIDETONATION GROOVE IN BETWEEN THE TOP AND SECOND RING LAND.

    NOW WE WENT WITH THE TRADITIONAL MOLY COATING ON THE SKIRTS BUT A CERAMIC COATING ON THE HEAD. NOW THIS IS A TWO VALVE RELIEF PISTON WITH A POSITIVE 22cc DISH. AND WHAT THAT'S GONNA DO IS PUT US RIGHT AT 10.8 TO ONE COMPRESSION FOR OUR STREET MOTOR.



    NOW THEY HAVE 72cc COMBUSTION CHAMBERS AND THE VALVES MEASURE IN AT 2.250 ON THE INTAKE, 1.81 ON THE EXHAUST. NOW CHECK THIS OUT, LOOK AT THE SIZE OF THE INTAKE RUNNERS. THEY MEASURE IN AT 272cc'S VERSUS 170 IN A STOCK HEAD. NOW THEY WERE PORTED BY MIKE STARK AT CFM PERFORMANCE AND FLOW 365 CFM AT 600 INCH LIFT. THE VALVE SPRINGS ARE BEE HIVES FROM COMP CAMS AS WELL AS THE RETAINERS, LOCKS, AND SPRING CUPS.


    PUSH RODS ARE COMP CAM'S HIGH TECHS, AND ARE FIVE-SIXTEENTHS DIAMETER WITH A 9350 LENGTH. (JOHN B.)>> NOW HERE'S THE ROCKER ARM SETUP WE GOT GOING ON THIS BIG INCH CADDY. NOW THEY WE'RE MADE HARLAND SHARP DESIGNED BY THE GUYS AT MTS. NOW IT'S A FULL ROLLER ONE-SEVEN RATIO ROCKER ARM, 7075 ALUMINUM BASE WITH A HARDENED STEEL TUBING FOR SUPERIOR STRENGTH.


    WITH THE INITIAL TIMING SET AT 31 DEGREES, WE START OFF WITH A 2,500 TO 5,000 RPM RUN JUST TO PLAY IT SAFE. THAT THING MAKES GREAT NOISE, 544 HORSE AT 5,000, 577 FOOT POUNDS OF TORQUE AT 4,600.


    (MIKE)>> JOHN'S TARGET IS 600 (HP).


    MAN THAT THING SOUNDS GOOD, WE'LL GIVE IT ONE MORE TRY JUST FOR JOHN. THROUGHOUT THE 1970'S, THE STOCK 500 MADE 260 HORSEPOWER. THIS PUMP GAS STREET VERSION ALREADY IMPRESSED US. 598, 587, DEAD ON THE MONEY. THEIR FULL RACE COMBO WILL TOP 2,000 HORSEPOWER.

    (JOHN W.)>> THIS THING'S EVIL RIGHT OUT OF THE GATE.



    This is pretty much where the show ended. They never did come back from a break with final dyno numbers and the reason is probably because there was a “difference of opinion.” The guys from MTS had shown up with proven parts for this testing, but the boys at HorsePower were there to please their sponsors, one of whom was Holley. The problem was that the Holley carb that MTS WAS REQUIRED TO USE held back power!! The “difference of opinion” has MTS wanting to show their work to best advantage, while Horsepower had other obligations.

    Key here is which version of the show you watch. If it is the “HorsePower” version the full story isn’t told. BUT if you watch the YouTube version you hear and see different final numbers. https://www.youtube.com/watch?v=QgRNf5Ie8II

    Best,

    Bro. d
     

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    Last edited: Feb 2, 2020
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  8. 5one9

    5one9 Active Member

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    Dang! I need that carburetor. I knew they were disappointed on the original show when they hit 598hp. So disappointed that they threw Royal Purple in it. It still made 598hp. I remember watching it when it aired and laughing about the Royal Purple. I never saw the carb change. They really don’t show the work that it took to get that intake manifold port to look that nice. I have attached some before and after pics of what it took. If I had made a video it would have been at least 8 hours long. Theirs was done on a CNC mill I'm sure. The intake is upside down in the pic. The 'second mark' above the port (actually the bottom of the port since it's upside down) is where the bottom of my head intake port actually hits and it's about 0.125" away. I left the port floor at the 'first mark', higher than the head port floor. No real reason other than I think this intake manifold's IMG_2155.JPG IMG_2156.JPG port velocity is already slow enough due to the size of the round runners. They are huge.
    IMG_2155.JPG
     

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