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Thread: Setting up my dual Weber DCNF carbs:

  1. #11
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    Re: Setting up my dual Weber DCNF carbs:

    Quote Originally Posted by DJ View Post
    Spend your money on HC pistons first. If you haven't done that, dual carbs won't do much of anything for you. Except for noise.
    Got it. I think we'll go with this 34 DAT for now, then do pistons and whatever else we can afford next year.
    http://www.ebay.com/itm/WEBER-34-DAT...R/361498209198

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    Re: Setting up my dual Weber DCNF carbs:

    Thanks so much for all the responses. I got each of the sizes mentioned in the post that DJ posted above, as well as new needles & seats. I don't have them dialed in perfectly yet, but I've got them close enough with my syncrometer to enjoy & notice performance from. The new sizes make all the difference.

    Though they're just the beginning, the carbs & cams upgrades make a very noticeable difference in performance over stock.

    I spent some time Wednesday and Friday removing the seats & carpet for some fun with the angle grinder brush, rust converter & bed liner. Can't believe I got the carpet out in one piece, hoping to give it a color change & get it back in place. Lots of surface rust, but no gaping holes...




  3. #13
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    Re: Setting up my dual Weber DCNF carbs:

    Chad, I feel your pain. Looks like we have similar cars. Except yours is running..... Still finishing my floor. Havent tackled my engine yet.

  4. #14
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    Re: Setting up my dual Weber DCNF carbs:

    So I'm still messing with my carbs, and it looks like I'm missing some things. This shows my ignorance with DCNF carbs, but I smirk & ask what should be in the two holes that my index finger is pointed at?

    I looked at at some diagrams on my phone, but none of them listed what the parts are. They did however indicate that something should be there. They're missing in both carbs.

    Your help is much appreciated, as always.
    Attached Thumbnails Attached Thumbnails image.jpg  

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    Re: Setting up my dual Weber DCNF carbs:

    I was just poking around eBay & thought someone might be interested in this:


    https://www.ebay.com/itm/FIAT-DUAL-W...9aDJVS&vxp=mtr

  6. #16
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    Re: Setting up my dual Weber DCNF carbs:


  7. #17
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    Re: Setting up my dual Weber DCNF carbs:

    Quote Originally Posted by mikeroten View Post
    No. There is something there. You're looking at #66 and 67. They can be carefully worked out with needle nose pliers if need be, but watch out for the spring.

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    Re: Setting up my dual Weber DCNF carbs:

    [QUOTE=Chad C.;72024]So I'm still messing with my carbs, and it looks like I'm missing some things. This shows my ignorance with DCNF carbs, but I smirk & ask what should be in the two holes that my index finger is pointed at?

    I looked at at some diagrams on my phone, but none of them listed what the parts are. They did however indicate that something should be there. They're missing in both carbs.

    Your help is much appreciated, as always.[/QUOTE

    part # 41205.151 need 4, they are called starter jets

  9. #19
    Master Lancista Todd D.'s Avatar
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    Re: Setting up my dual Weber DCNF carbs:

    Hi Chad,
    Obviously your car is running well from watching the video, I'm just curious why you mounted your DCNF's with the float chamber facing the engine. It must be difficult to adjust the mixture screws or the idle air bypass screws.
    Todd
    76 Scorpion
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    82 Zagato
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    63 Flaminia Touring 3C GT
    77 BMW 530i
    78 Beta HPE

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    Re: Setting up my dual Weber DCNF carbs:

    Thanks for the responses, it's a big help. Even their part number, thanks BEEK! I've found that there are two sizes of these available from Pierce Manifolds. For now I need the size best suited to the 1.8 motor. The linkage that came with the carbs comes from that of the Lancia Beta, which is certainly more convenient in that car, but less so in mine. However, it does allow for the reasonably straight-forward linkage to the throttle cable that it now has.
    Attached Thumbnails Attached Thumbnails 45EDC033-2036-4E7B-8C78-DF0F2A814A2E.jpeg  

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