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Thread: Are these Solex PHH 44 carbs NOS?

  1. #1
    Registered User Ramon's Avatar
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    Are these Solex PHH 44 carbs NOS?

    Hi all, these 2 carbs I got from the previous owner of my 190SL. I would like to determine if they are NOS. How can I do this? Internally I do not see any usage marks, however some screws have marks (maybe at the Solex factory?). Each carb has a single reinforcement at the flange. They are marked with number 20317 and 20337 and both have the small mark/engraving 44PHH. Looking forward to your questions and suggestions. Greetings from the Netherlands!
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    '57 190 SL #7502924

  2. #2
    Administrator wpuryear's Avatar
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    Re: Are these Solex PHH 44 carbs NOS?

    A close up photo of the engine side of the second barrel with the throttle open so you can see where the throttle plate rests and of the flanges on the engine side would probably answer the question. You are looking to see if the plates have worn into the barrel and if the wave washer has eaten into the flange.

    Walt

  3. #3
    Registered User Ramon's Avatar
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    Re: Are these Solex PHH 44 carbs NOS?

    Thanks for the fast response Walt! See the photos, they do not look worn to me. What do you think?

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    '57 190 SL #7502924

  4. #4
    Registered User tommd's Avatar
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    Re: Are these Solex PHH 44 carbs NOS?

    IMO, they look used. Too many screws look touched, slots slightly distorted. The shaft lock plates look bent, not locked. It appears to have some gasket material left from the air log. And as Walt asked, it appears to me that the secondary bore was at least used, although I can not determine if they are worn much, they may not be. How loose are the throttle shafts?
    Tom D.
    1961 190SL

  5. #5
    Registered User Arnie's Avatar
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    Re: Are these Solex PHH 44 carbs NOS?

    Ramon,

    This is a set of NOS that are waiting patiently for me to install on my 1958. Notice the color/brilliance of the metal.

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    Richard J. Arnold
    1958 190SL
    Original Owner - Actor Yul Brynner

  6. #6
    Registered User Ramon's Avatar
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    Re: Are these Solex PHH 44 carbs NOS?

    Hi Richard, that set looks great. Shiny! Did the screws, etc came out of the box like this?

    Hi Tom, thanks for help. Yes, agree on the screws, some of them are touched. The throttle shaft can move slightly horizontally (to the left and right), turns nicely w/o any play. Not so sure how to determine if the secondary bore was used, it looks clean w/o any marks.
    '57 190 SL #7502924

  7. #7
    Registered User Arnie's Avatar
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    Re: Are these Solex PHH 44 carbs NOS?

    Quote Originally Posted by Ramon View Post
    Hi Richard, that set looks great. Shiny! Did the screws, etc came out of the box like this?
    Hi Ramon,

    Yes, this is the way they look brand new, even though they have been in their box for years.
    Richard J. Arnold
    1958 190SL
    Original Owner - Actor Yul Brynner

  8. #8
    Administrator wpuryear's Avatar
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    They appears to have been mounted based on wear from the wave washers although the photo is not high resolution. You couldn't call them NOS but seem to be in excellent condition. You can determine the status of the secondary bores by running a fingernail over the contact points, feeling for any wear/indentation. Some horizontal movement of the throttle shaft in the open position is normal, even for new carburetors.

    Walt
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  9. #9
    Registered User Ramon's Avatar
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    Re: Are these Solex PHH 44 carbs NOS?

    Thanks, there is indeed a variation in color, although less than it looks like in the foto. The status of the secondary bores is good, I can't detect any wear/indentation at the contact points. Thanks again for stating what to look at, I'll call them 'excellent condition, never reworked.'
    '57 190 SL #7502924

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