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456/550 engine with early Weber’s

Discussion in '456/550/575' started by Mattie69, Dec 15, 2020.

  1. Mattie69

    Mattie69 Karting
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    Aug 26, 2016
    132
    Is there anybody out there building a intake manifold to run Weber’s or old school replica weber throttle bodies on a 456/550/575/612 engine ?I am in the process of putting a 456 engine in a 250 recreation and would like to give it that old 250 look
     
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  3. ChipG

    ChipG Formula 3

    May 26, 2011
    1,201
    Santa Monica, CA
    Not a Ferrari v12 but I saw a youtube video of a guy who did it to a BMW 750IL v12, it was a really cool project.

    There are a few people on youtube who have done this.

     
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  4. hwyman

    hwyman Formula Junior

    Jun 25, 2015
    255
    Canada / Los Angeles
    Mattie are you building the bread wagon 250 on the 550 chassis? Someone on here built an intake manifold with individual throttle bodies. Looked similar to what you are mentioning.
     
  5. Mattie69

    Mattie69 Karting
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    Aug 26, 2016
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    I am building a 250 lwb california spyder , and I am thinking not only will the vintage style induction look cool it will decrease the torque so I won’t rip the wires out of the borrani wheels
     
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  6. Mattie69

    Mattie69 Karting
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    Aug 26, 2016
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    Thanks for sharing ,That’s really cool ,but I am going with a Ferrari engine
     
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  8. phil99

    phil99 Rookie

    Feb 26, 2015
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    Phil S.
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  9. ChipG

    ChipG Formula 3

    May 26, 2011
    1,201
    Santa Monica, CA
    I realize you're going with a Ferrari v12 but making the intake runners and the other processes will be the same, look at his other videos of how he made it.
     
  10. Bas Jaski

    Bas Jaski Three Time F1 World Champ

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  11. tazandjan

    tazandjan Three Time F1 World Champ
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    Jul 19, 2008
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    Bas- Those would look great under his hood. I was trying to remember where I had seen them.
     
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  13. Texas Forever

    Texas Forever Four Time F1 World Champ
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    Apr 28, 2003
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    Geeze, you’re crazier than a loon. I love it.


    Sent from my iPhone using FerrariChat.com mobile app
     
  14. Mattie69

    Mattie69 Karting
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    Aug 26, 2016
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    Thank you for all the info , is have all motex to run the stock injection but am looking to do something more vintage down the road I have 6 twm throttle bodies that should work , there is a company called falconersthat built
    that is really cool
     
  15. Mattie69

    Mattie69 Karting
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    Aug 26, 2016
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    Thanks for all the input , www.falconerengines.com built a 575 engine with a nice set up , I have 6 twm/ borla throttle bodies I want to try and make work
     
  16. Bas Jaski

    Bas Jaski Three Time F1 World Champ

    Mar 24, 2008
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    I remember 'harmonyautosport'' on here (I think it was them) developed a kit years ago but never did anything beyond their development vehicle. I got some pics here:
    [​IMG]
     
  17. DZ-96

    DZ-96 Formula 3

    Mar 7, 2010
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    That would be perfect with 6-1 headers.
    Oh what a sound would this have !!!


    Daniel
     
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  18. Bill26

    Bill26 Karting

    Jun 19, 2005
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  19. Bas Jaski

    Bas Jaski Three Time F1 World Champ

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    The intake noise itself would be insane...!
    When this video launched I watched it twice in the same day:D:D:D
     
  20. ChipG

    ChipG Formula 3

    May 26, 2011
    1,201
    Santa Monica, CA
  21. 246tasman

    246tasman Formula 3

    Jun 21, 2007
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    Will Tomkins
    The yellow 575 GTO Special is my car and we ( https://www.project-heaven.com/ ) could supply a tailor made ECU for this engine at £800 (GBP) per unit if anybody wants one. It would still need setting up on the dyno
    The GTO still has the DTA unit we fitted from the start and it works well, but we've now done quite few conversions on various cars including Maserati 3500GTI, E-Types and 6 & 8 cyl Jag saloons, Volvo 1800ES, and our own ECUs are considerably more refined now.

    As far as exhaust note goes (its 6:2:1) it depends entirely on the silencing. I blew out most of the packing once while testing at Mallory Park and on the drive home without earplugs I actually found the cockpit noise too painful to bear between 6 and 8000 rpm. With the packing replaced it's just right.
    Interestingly the intake sound was far better when we had the original tuned 365 4 cam engine on 45 DCOE (sidedraught) Webers. It really did make the hairs stand up on the back of your head when it came on cam at about 5500/6000. It's difficult to know how much of that was the positioning of the intakes and how much the difference between throttle bodies and carbs.
     
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