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SU carboretors

Discussion in 'The Hokey Ass Message Board' started by Tore, Aug 10, 2007.

  1. Tore
    Joined: Mar 10, 2001
    Posts: 308

    Tore
    Member

    The 215 v8 thats going in my 61 Buick has a twinn SU set up.
    Annyone have some experience with those carboretors ? good ? bad ?
     
  2. Splinter
    Joined: May 14, 2005
    Posts: 1,113

    Splinter
    Member

    Which SU's? The sidedraft type found on Jags? If so, find someone who knows what they're doing and have them rebuilt. They're great carbs with wonderful transient response, but they NEED to have oil in them (the bell-shaped part) or they will not run for sheeeiiit. If they start leaking, they just blow oil through your engine and you get to deal with a lot of plug fouling. Good luck!
     
  3. Mr. Creosote
    Joined: Feb 27, 2006
    Posts: 275

    Mr. Creosote
    Member

    What are they? HIF4s? HS4s or HS6s?
     
  4. DrJ
    Joined: Mar 3, 2001
    Posts: 9,422

    DrJ
    Member

    Best damn Carburetor design ever.
    I say that because of it's versatility, small number of moving parts and EASE of tuning.
    Plus, since the design is about a Century old, they are absolutely "Traditional"


    Get a Haynes Rover V8 repair book that covers the year of that engine.
    It'll tell you how to tune them and how to work on the engine in your garage
    Also, Buy a "Uni-Syn" to balance them easy and keep it in the glove box so you'll know where it is when you have to retune them in about a decade.

    One on line tuning: http://www.niksula.hut.fi/~mdobruck/siililand/mini/diy/3/su-tune/su-tune.html
     
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  5. I have a book on tuning them from back in my MG days.

    Any British supplier should have them.
     
  6. metalshapes
    Joined: Nov 18, 2002
    Posts: 10,737

    metalshapes
    Tech Editor

    Probably the stock setup off a Rover 3500 ( licence built Buick 215 )

    Pic shows one swapped into a Enfo...

    Edit.

    Just noticed your in Norway...

    You probably have the Rover Engine.
     

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  7. Tore
    Joined: Mar 10, 2001
    Posts: 308

    Tore
    Member

    Thanks for the info.
    I have the original 61 buick 215 and a 76 rover 215
    its the last one I`l use because its complete
    the original is in bits and peeces.
     
  8. dirthawker1313
    Joined: Apr 18, 2005
    Posts: 648

    dirthawker1313
    Member

    had them on my 61 austin mini. they worked great and were easy to deal with. just keep the dashpots filled with oil or they dont work well. youll know if they get low
     

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