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Anyone familiar with Mukuni carbs?

Discussion in 'The Hokey Ass Message Board' started by gearheadbill, Feb 14, 2008.

  1. gearheadbill
    Joined: Oct 11, 2002
    Posts: 1,339

    gearheadbill
    Member

    I am working on a lakes modified style roadster. Building it around a very nice 2.0 Ford 4 cyl + 5 speed. I am looking for a dual carb setup, mainly for the look, (have a manifold that I can use/adapt) that is nice and streetable. Webers etc. seem to be overkill for the street. Was thinking about using Muniki carbs. Any advice???
     
  2. not so hotrod
    Joined: Feb 6, 2007
    Posts: 87

    not so hotrod
    Member
    from MA

    http://victorylibrary.com/main_menu.htm

    Try this guy if you do choose to use them.

    My dad used them on his panhead chopper in the 70's. But thats all I know about them.

    Oh and try the Jockey Journal.............
     
  3. nailheadroadster
    Joined: Jun 7, 2006
    Posts: 1,525

    nailheadroadster
    Member

    The Mikuni 42 I have on my 100ci Revtech V-Twin works great. Easy to adjust and has very crisp responce.
     
  4. burl
    Joined: Nov 28, 2007
    Posts: 890

    burl
    Member
    from Minnesota

    On sleds there hard to beat,easy to tune and rebuild.Havent seen many in automobile applications.
     
  5. junkyardroad
    Joined: Oct 3, 2007
    Posts: 410

    junkyardroad
    Member
    from Colorado

    I run a HSR45 on my RevTech 110. I think it would be an excellent choice for a twin carb setup. I am seriously considering it for my Iron Duke banger. Let us know what you decide.
     
  6. zman
    Joined: Apr 2, 2001
    Posts: 16,790

    zman
    Member
    from Garner, NC

    I would think he's talking about the Mikuni Side drafts. Similar to the Webers. You could use bike carbs I guess, but the side drafts would work better...
     
  7. Abomination
    Joined: Oct 5, 2006
    Posts: 6,775

    Abomination
    Member

    That's Panic on the HAMB. I've seen these on a lot of bikes, actually.

    ~Jason


     
  8. Von Rigg Fink
    Joined: Jun 11, 2007
    Posts: 13,401

    Von Rigg Fink
    Member
    from Garage

    sounds like its dooable..how big of a Mukuni are you planing on using? 42mm or bigger?
    the only thing i see as a possible downfall might be the size of the accel. fuel pump.
    have had a few of them on 80 inch harley engines..the pan head back in the 70's was probably running a Bendix not a Mukuni
     
  9. mike c
    Joined: Jan 14, 2006
    Posts: 61

    mike c
    Member

    use the weber DCOE or the mikuni PHH, both are sidedraft. You will need 34mm to 36mm chokes if you are going to have individual runners. I think you will not have any problems with the 40 series carbs with the 2 liter motor you have. The 45 weber or the 44 PHH are more expensive but they would work better on a modified engine. Be prepared to spend time amd money for jetting but the will work like a mechanical fuel injector once you get the tuning. Call me on 607 796 0394 if I can be of more help. mike cain
     
  10. DrJ
    Joined: Mar 3, 2001
    Posts: 9,419

    DrJ
    Member

    Mikuni made the SU copies on '70 era Datsuns too.
     
  11. SinisterCustom
    Joined: Feb 18, 2004
    Posts: 8,277

    SinisterCustom
    Member

  12. greg32
    Joined: Jun 21, 2007
    Posts: 2,266

    greg32
    Member
    from Indiana

    If you want a cheap fix, try Keihins that came stock on Harleys. Everybody takes em off for a Mikuni or S&S carb. Theyre a CV unit, easy to jet and tune, and you can get em for next to nothing.
     
  13. zman
    Joined: Apr 2, 2001
    Posts: 16,790

    zman
    Member
    from Garner, NC

    I think, and I hope, he is talking about using Mikuni's side drafts, if he is talking about using bike carbs he'll be in a linkage nightmare for sure, and they won't work as well as the side drafts anyways... plus they will be cheaper than 4 bike carbs...
     
  14. panic
    Joined: Jan 3, 2004
    Posts: 1,450

    panic

    You can get a "rack" of 4 connected Mikuni or Kei'Hin carbs from a late Japanese bike pretty cheaply. The throttle shafts (if CV type, like a miniature SU) are linked, and can easily be spaced apart to match your port positions. The slide type have merged linkage above the bodies - same deal. If not, examine the 1969-75 Triumph/BSA 3 cylinder 750, which has cable-operated slides controlled by a single gantry arm above, using piano wire to the slides.
    You can also get a great start on a Mega EFI conversion by using a rack of EFI TB.
    The Mikuni PHH is long discontinued and tuning parts are hard to find. The Weber DCOE and Dell'Orto DHLA etc. are more common and easier to tune but $$$.
     
  15. Ramblur
    Joined: Jun 15, 2005
    Posts: 2,101

    Ramblur
    Member

    We had great luck running the HSR 45's on jr dragster Briggs&Stratton engines. Not what your looking at for sure
    but worked great for us on alcohol and sans accelerator
    pumps supporting 50hp B&S engines. Might want to start
    here with the tuning manual for these type carbs. Lotsa
    food for thought.
    http://www.sudco.com/tool.html
     
  16. Richard Head
    Joined: Feb 19, 2005
    Posts: 547

    Richard Head
    Member

    I'd let you try out the mikuni flat slide on my Suzuki dirt bike, but you would have to put on some long pants first. I don't want to have to s****e your leg skin off of my exhaust pipe with my good bondo putty knife.
     
  17. I'm running twin sidedraft 40mm Solexes (same as Webers) on my 2000cc Pinto. Webers run fine on the street. I have 3 cars with Weber style carbs. Sidedrafts on the Roadster, dual 44mm downdrafts on a 2110cc VW, and a single 48IDA downdraft on a 1275cc Mini.
     

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