Important Distributor Question Marelli 159 Red Label vs Silver Label? | FerrariChat
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Important Distributor Question Marelli 159 Red Label vs Silver Label?

Discussion in 'Technical Q&A' started by robertgarven, May 30, 2006.

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  1. robertgarven

    robertgarven F1 Veteran
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    Feb 24, 2002
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    Robert Garven
    #1 robertgarven, May 30, 2006
    Last edited by a moderator: Sep 7, 2017
    Does anyone know the difference between the Marell S-159B with the red label and the Marelli S-159 B with the silver label. I have a 75 gt4 with half of the advance pins removed. I have a line on a set of rebuilt S-159B units and want to know what is the difference. My car (75) came with the red label.

    I also have a early set of S-159 A that did not have the spline drive but the dog drive. I am not sure what I am going to do with them. Does any GT4 owner have a Euro early car with the dog drive set-up, in the 76 parts book it shows they had two units fitted, not sure if any were US models???

    Thanks,

    Rob
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  2. Artvonne

    Artvonne F1 Veteran

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    #2 Artvonne, Jun 1, 2006
    I have a set of each. 21181 built march 77 has reds, 21645 built may 77 has silvers. As they both use the same bearings, points, caps, and rotors, and the advance curves are obviously identical as there is no change over the years in the service manual, I can only assume they interchange. Hope this helps.
     
  3. matteo

    matteo F1 World Champ

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    #3 matteo, Jun 1, 2006
    Rob,

    my old 78 carb gts had the silver. Not sure what that mean but it's a frame of referrence.
     
  4. gerritv

    gerritv Formula 3

    Jun 18, 2001
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    Gerrit
    #4 gerritv, Jun 2, 2006
    Hi Rob
    My car is Euro, has 2 dog drive distributors. Engine is matching # with chassis. I will ask my mechaninc if a car close to mine has dog or spline. (US model 11994, mine is 11966).
    I will be replacing with a single spline drive this coming winter.

    Gerrit
     
  5. robertgarven

    robertgarven F1 Veteran
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    #5 robertgarven, Jun 3, 2006
    Thanks guys, it seems the earlier cars had the dog drive and the later had the spline worth both rred and silver labels.

    BTW I just bought another set..............am I crazy!!!
     
  6. Artvonne

    Artvonne F1 Veteran

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    #6 Artvonne, Jun 3, 2006
    So I did early 308's come with both types of drives, both spline and dog drive? I hav'nt yanked off the silver ones yet, maybe I should go pull one?
     
  7. robertgarven

    robertgarven F1 Veteran
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    #7 robertgarven, Jun 3, 2006
    I think only the euros as I have a gt4 which is earlier than your cars and it has a spline
     

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