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235 Chevy carburetor upgrade...

Discussion in 'The Hokey Ass Message Board' started by Fat Hack, Apr 12, 2009.

  1. Fat Hack
    Joined: Nov 30, 2002
    Posts: 7,709

    Fat Hack
    Member
    from Detroit

    That grenade is my "Emergency Roadside Rebuild Kit"!!! Every Stovebolt driver needs one, ya know?! ;):D
     
  2. Fat Hack
    Joined: Nov 30, 2002
    Posts: 7,709

    Fat Hack
    Member
    from Detroit

    This swap is really a no-brainer! Aside from making that simple linkage adapter, it was a bolt-on deal. The pedal feel and travel are the same as they were with the stock carb, and the engine runs MUCH better. These Economaster carburetors were designed and calibrated by Holley for 1977-78 Chevy 250 engines, so they work out real well on a 235, too. They're tuned with economy in mind (I even left the idel mixture limiter cap on mine), which is cool by me! The car actually IDLES now, which puts it miles ahead of the stock carb it replaced!
     
  3. Duration
    Joined: Oct 2, 2006
    Posts: 543

    Duration
    Member
    from Wayne, MI

    what is the holly part number for that economaster carb?
     
  4. mikebte
    Joined: Dec 13, 2010
    Posts: 15

    mikebte
    Member
    from Arizona

    Anyone looking to do this swap needing info. I have a 82 ford fairmont with a 200 I6 and it has the same carb. It is a holley 1946. Same Exact carb. Was unable to find that carb used on a 250. So there you go. Holley 1946 used on Ford 200 I6. Have fun.
     
    Last edited: Mar 6, 2011
  5. chigger
    Joined: Jan 30, 2009
    Posts: 169

    chigger
    Member

    where can the adapter that
    LEADED is talking about be found?,,, any ideas?
     
  6. mikebte
    Joined: Dec 13, 2010
    Posts: 15

    mikebte
    Member
    from Arizona

  7. 1946Chrysler
    Joined: Dec 21, 2008
    Posts: 22

    1946Chrysler
    Member
    from Boerne, TX

    Very cool, man. Another idea for someone who is planning on keeping their 235 as-is would be the dual-carb setup you see on here all the time. I couldn't help but mention it because it looks so freakin' cool!
     
  8. KARPARTZ
    Joined: Jun 5, 2009
    Posts: 1

    KARPARTZ
    Member
    from ST LOUIS

    I have a 57 Chevy 235 I woulds like to put this Holly Economaster iv carb on. Can you supply the Holly prt number? I would like to order one for my 53 Chvey truck its going on.
     
  9. worthop
    Joined: Sep 19, 2005
    Posts: 441

    worthop
    Member

    yeah, what KARPARTZ said.....
     
  10. duece-32
    Joined: Jun 29, 2012
    Posts: 1

    duece-32
    Member
    from Alberta

    Hi there, love the article on the carb swap to a Holley Economaster. I'm in the same boat with a 230 in my old Poncho. I asked my local parts store to order one for me, I was asked if I could find a casting number on the carb. Would you be able to check your carb and let me know? I would absolutely love to get that leaky, fat running old rotten chester off and replace it with something from this century! Thanks in advance.
     
  11. Fat Hack
    Joined: Nov 30, 2002
    Posts: 7,709

    Fat Hack
    Member
    from Detroit

  12. bowtie56jw
    Joined: Aug 2, 2010
    Posts: 214

    bowtie56jw
    Member

    realizing this is a couple year old thread..........any updates? has anyone else tried this or some other carb? im desperate here.
     
  13. El Caballo
    Joined: Mar 3, 2001
    Posts: 5,905

    El Caballo
    Member

    The Economaster I have is for a Ford 200-250 and it performs quite nicely on my 235. The linkage had to be modified, but so what?
     
  14. bowtie56jw
    Joined: Aug 2, 2010
    Posts: 214

    bowtie56jw
    Member

    can you post a pic or pm me one so i can see what you mean.
    thanks
     
  15. chiro
    Joined: Jun 23, 2008
    Posts: 881

    chiro
    ALLIANCE MEMBER

    Don't pm him. Post it here. I'm interested as well
     
  16. Cosmo49
    Joined: Jan 15, 2007
    Posts: 1,206

    Cosmo49
    Member

    [​IMG]
    Hope the op sold the 235 to someone who really wants it and can use it. I have 86K miles on a '56 235, '49 Chevy 1/2 ton dd/only vehicle now with two X 2 bbl carter-webers.
     
  17. bowtie56jw
    Joined: Aug 2, 2010
    Posts: 214

    bowtie56jw
    Member

    back up to see if anyone has used any other carb on a 235
     
  18. smoked1
    Joined: Sep 19, 2010
    Posts: 123

    smoked1

    Ive got two 235's Ive had for twenty years with stock carbs that have given me zero problems, and 19mpg with stock gearing in 41 and 59. Car and truck. It looks like a good swap tho if you have a shitty carb.
     
  19. xderelict
    Joined: Jul 30, 2006
    Posts: 2,477

    xderelict
    Member Emeritus

    Stromberg BXOV 2. I like them much better than the Rochester Bs.
     
  20. bowtie56jw
    Joined: Aug 2, 2010
    Posts: 214

    bowtie56jw
    Member

    cosmo that set up looks cool but i want to stick with a single carb.
     
  21. Hsquared
    Joined: Oct 22, 2014
    Posts: 11

    Hsquared

    finally, some pictures I can actually use now. thanks FatHack
     
  22. junkyardjeff
    Joined: Jul 23, 2005
    Posts: 7,669

    junkyardjeff
    Member

    I remember reading this back then and will have to look for one of those carbs,I never cared much for the original carb on my 57 235.
     
  23. bowtie56jw
    Joined: Aug 2, 2010
    Posts: 214

    bowtie56jw
    Member

    i have a good running b on her now after going through 3 bad ones. i still would like to find one like the op found and used.
     
  24. Excellent write up, been jacking with the 1BBL in a '57BA for months to get it to run smooth. I'll give it a shot and thanks for posting pics of your bracket.
     

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