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Building An Intake W/duals For A 429 Caddy,suggestions?

Discussion in 'The Hokey Ass Message Board' started by BERARDO MUCCI, Nov 20, 2006.

  1. BERARDO MUCCI
    Joined: Oct 25, 2006
    Posts: 71

    BERARDO MUCCI
    Member

    since i can't find any affordable(or any at all) performance parts for my 429 caddy,i was thinking of building an intake with dual carbs on it.i was wondering if there are any rules like carb height ,tubing diameter,equal tubing lengths,carb cfm,etc.the motor is bone stock but i plan on building some lakeheaders and possible baffling it to keep the authorities happy.i want to make sure its somewhat driveable(idles,no flat spots,etc)and worth it before i invest all this time/money.any suggestions/pics will be helpfull.
     
  2. Abomination
    Joined: Oct 5, 2006
    Posts: 6,693

    Abomination
    Member

    Ditto.

    Man, I'm all over this thread. I'm in the same boat, and I'll be watching this one like a hawk.

    ~Jason
     
  3. AHotRod
    Joined: Jul 27, 2001
    Posts: 10,384

    AHotRod
    Member

  4. BERARDO MUCCI
    Joined: Oct 25, 2006
    Posts: 71

    BERARDO MUCCI
    Member

    i figured this would help you out since i saw your thread when i logged on.
     
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  5. BERARDO MUCCI
    Joined: Oct 25, 2006
    Posts: 71

    BERARDO MUCCI
    Member

    just tried pricemotorsports,seams its only for the later caddy motorss.thanks anyway.
     
  6. AHotRod
    Joined: Jul 27, 2001
    Posts: 10,384

    AHotRod
    Member

  7. BERARDO MUCCI
    Joined: Oct 25, 2006
    Posts: 71

    BERARDO MUCCI
    Member

    i tried lakeheaders and they had some stuff but its a four carb set-up,just a little to much for me but i got some great ideas off this sight.thanks.
     
  8. Haunted Ken
    Joined: May 22, 2005
    Posts: 186

    Haunted Ken
    Member

    Well, I am fabbing one up for a 500, I will post a tech thread once I get it done, I have been doing research and asking questions for the last six months.....

    Basically I am building a tunnel-ram style intake..... but I want round runners rather than sqaure..... aesthetics, understand........

    I have hacked up a few stock intakes for research/learning purposes, I did have the motor running with one I cobbled together with a butchered stock intake and some scrap metal stock I had lying around...... had two rochesters and a zip ties and it worked, but it wouldn't idle..... probably an intake leak :rolleyes:

    I am also trying to figure out runner diameters, arc, etc etc.....

    I was using o/a fire and coat hangers, but I am getting a wire-feed very soon and will then attempt to build a real one from scratch......

    My goal is to have the carbs height equal with the top of the windshield in my 28 T bastard project..... stock rotating assembly, a little head work, headers.... I figure I won't need to go too wild with a 500 caddy mill in a (roughly) 2200 pound car.......

    I am on this thread like Courtney Love on a bottle of Vicodin.......
     
  9. LongnLow
    Joined: Apr 16, 2006
    Posts: 148

    LongnLow
    Member

    hey dudes- my brother in law is working on building a 3 duece for a windsor, and he found some info on grapeaperacing.com and fredsland. good luck!
     
  10. Abomination
    Joined: Oct 5, 2006
    Posts: 6,693

    Abomination
    Member

  11. BERARDO MUCCI
    Joined: Oct 25, 2006
    Posts: 71

    BERARDO MUCCI
    Member

    i just emailed buddy at lake headers to see if he had any intakes for a 2 carb set-up.he has one for a four carb set-up but im not that brave.
     
  12. FEDER
    Joined: Jan 5, 2003
    Posts: 1,269

    FEDER
    Member

    Heres a few pics of one I made last year. I did it with a bandsaw-drillpress and a heliarc. I put it on My 49 Merc with a 429 and it hit the firewall so put the 4 barrel back on. Will need to modify it or the firewall. Havnt done either yet. The carbs are from a Ford 390-406 tripower set. I spaced the carbs just like the ford so Ford the linkage works great.Check out a 383-440 Mopar intake they are REALLY close. FEDER
     

    Attached Files:

  13. I have made a few from steel tubing. it just takestime that is all. Biggest problem is to allow for shrinkage that comes from the heat generated in welding. Start long by a bit when your dome it wil fit.
    Don
     
  14. Abomination
    Joined: Oct 5, 2006
    Posts: 6,693

    Abomination
    Member

    How close? Close like a Ford 460 is to a Cad 472/500 close? Close enough for a BB Mopar to Cad 429 adapter to be made and be functional close?

    ~Jason


     
  15. Abomination
    Joined: Oct 5, 2006
    Posts: 6,693

    Abomination
    Member

    BTTT

    Still real interested if a big block Mopar intake is close enough to the Cad 429 to have an adapter work...

    ~Jason
     
  16. Abomination
    Joined: Oct 5, 2006
    Posts: 6,693

    Abomination
    Member

    Here's one I saw in a thread on here:
    [​IMG]

    ~Jason
     

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