Euro model front indicator/parking light cross slot screws | Page 2 | FerrariChat

Euro model front indicator/parking light cross slot screws

Discussion in '206/246' started by GermanDino, Oct 6, 2023.

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  1. TonyL

    TonyL F1 Rookie

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    Stefan,
    Nice ACAD work. One thing that troubles me is the length. Although the original is 12.mm long (from under head) I fear these may be to short.

    If owners have replaced the lens gasket, which is thicker than the original, then the lens cover will be set further away from the fixing holes. For me they need to be 16mm long min.

    The head dimension is also critical

    Tony
     
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  2. racerboy9

    racerboy9 F1 Rookie Silver Subscribed

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    Those screw holes in the lens are notorious for cracking. I put a small o-ring or x-ring behind the screw head and just snug them.
     
  3. dgt

    dgt Formula 3 Owner Silver Subscribed

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    Yes - originally, there was a plastic washer behind the head to seal and spread the load - you can see it in the photos Matthias posted at the start of the thread. Long since disappeared on many cars along with the correct screws!
    BTW these were my photos, we got started looking for these some time ago... I was missing these from my Dinos and used a similar M4 from McMaster Carr.
     
  4. DinoParts, Stefan

    DinoParts, Stefan Karting Sponsor

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    OK I will get the stainless screws ordered from the link 4CamGT showes.

    The head will have a slightly different apearance as shown in the CAD comparison. Is that fine for you guys?
     
  5. bradley baum

    bradley baum Rookie

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    Count me in for 10. Please post pricing and availability. Thank you for sourcing these.
     
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  6. DinoLasse

    DinoLasse Formula Junior Silver Subscribed

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    No, not for some of us. The CAD comparison shows clearly that the head is a Pozidriv type. I would not use a Pozidriv screw on a Dino. Not period correct to me - and not the correct type to use on a fragile plastic lens (the main advantage with the Pozidriv is the higher torque possible). I would use the Phillips head screw and turn the head diameter down.
     
  7. daytonaman

    daytonaman Formula Junior

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    Correct, if the head is not high enough in the lens then use an extra plastic washer
     
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  8. DinoLasse

    DinoLasse Formula Junior Silver Subscribed

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    Sorry to be the troublemaker, Stefan DinoParts. I know we are a difficult crowd to please around here. But since you asked for our opinion, we have to give it.
    For most halfway normal people, I am sure the version you planned will be perfectly OK. But I and a few others would not like the Pozidriv head. That's all I wanted to say.
     
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  9. TonyL

    TonyL F1 Rookie

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    Tend to agree with Lars on this, to get something close to the original is near impossible as most standard machine screws are to big. The M4 x 0.7 mm thread is OK. However i found some machine screws which match the original but are too long.

    from Left to Right

    The 1st screw is the original, the next is the unmodified captive M4 screw but with 6.8mm head and Philips drive, the next is one i modified to suit my car. I made them longer so they actually sit into the lens holder better and because of new gaskets.

    The last one is a standard M4 machine screw but the head diameter is 8mm and doesnt fit into the recess of the lens cover.

    Downside is that these are nickel plated and after re-threading they will need coating to prevent rusting.




    Image Unavailable, Please Login
     
  10. tx246

    tx246 F1 Veteran Owner Rossa Subscribed

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    I don't think I have ever had so much interest in watching talk about these screws.
     
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  11. DinoParts, Stefan

    DinoParts, Stefan Karting Sponsor

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    No worries. That's why I asked and pointed it out. Will try to source some with philips heads then but fear will have to compromise with a less high head that needs to be corrected with a thicker washer.
     
  12. DinoParts, Stefan

    DinoParts, Stefan Karting Sponsor

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    Making a few longer ones will not be a problem.
     
  13. racerboy9

    racerboy9 F1 Rookie Silver Subscribed

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  14. Mark Shannon

    Mark Shannon Formula 3 Silver Subscribed

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    What was the outcome of all this please ?

    My indicator units are off the car right now. The lens covers had been held down with self tapping screws and we recently cleaned up the threads in the housings which will now take M4 screws easily again.

    Right now I have nothing that will work at all.

    Mark
     
  15. lagunacc

    lagunacc F1 Rookie Rossa Subscribed

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    Same as the 206 screws, right?
     
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  16. Pantdino4

    Pantdino4 Karting

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    I love McMaster-Carr. Great source of things you'd never find otherwise.
     
  17. lagunacc

    lagunacc F1 Rookie Rossa Subscribed

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