355 door sill replacement | FerrariChat

355 door sill replacement

Discussion in '348/355' started by Enzojr, Mar 17, 2018.

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  1. Enzojr

    Enzojr F1 World Champ

    Dec 12, 2013
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    Tomy
  2. MAD828

    MAD828 F1 Rookie
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    Removal is pretty straight forward.

    I tape up the rocker panel to prevent marking it. Remove the screws under neath the rubber door seal. Use a heat gun to heat up the side sill and loosen the bond between it and the rocker panel and chassis. Then use a large spatula for plaster board and slide it between the sill and chassis and it will slowly but surely cut through the bonding agent (usually some form of silicone).
     
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  3. Enzojr

    Enzojr F1 World Champ

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    Thanks, the heat gun/spatula trick seems to be the method. Mentioned more than once.
    Curious what you used to get the adhesive off the lower body panel undernearh the sill plate ?
    Are you using a wide metal putty knife or something plastic ?
     
  4. MAD828

    MAD828 F1 Rookie
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    Wide metal putty knife both times I removed the sills I had the rocker panels stripped and repainted.

    You can just scrape as much off as possible and re glue them fine. I also didn’t re glue them down but used Velcro so they are easy to remove for cleaning, rocker panel painting etc.
     
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  5. Dave rocks

    Dave rocks F1 World Champ
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    Note: we have a couple of OEM sill plates in stock. The finish is very different than the original. The originals are semi gloss, the new parts are dead flat and mar very easily.

    For originality, best to refinish new before installing.
     
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  6. MAD828

    MAD828 F1 Rookie
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    Yes they are frustratingly easy to mar! Water drops ruin them!
     
  7. johnk...

    johnk... F1 World Champ
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    Coat with satin urethane?
     
  8. Dave rocks

    Dave rocks F1 World Champ
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    I suggest they be powder coated matched the originals.
     
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  9. Enzojr

    Enzojr F1 World Champ

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    I am just hoping I can get the old ones off without destroying them ;)
    Saw pictures or a video somewhere, and the guy bent the hell out of the old ones getting them off.
    Pretty much destroyed them.
     
  10. carnutdallas

    carnutdallas Formula 3
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    I have carbon fiber and love them. My originals are in decent shape with a little bit of bubbling. I will restore and refinish for originality if ever needed in future. Good luck with the project.


    Sent from my iPhone using Tapatalk
     
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  11. MAD828

    MAD828 F1 Rookie
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    If you follow my method and take your time the sills will come off as they are. I have saved 2 sets doing it this way but haven’t bothered to refinish as they were already a little wavy and one was corroded pretty bad.
     
  12. Lionworks Auto

    Lionworks Auto Formula 3

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    Dave, do you offer powder coating?


    Sent from my iPad using Tapatalk
     
  13. Dave rocks

    Dave rocks F1 World Champ
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    Ed, we do not. I have a source but it's a biker dude who is good but not always the most reliable.
     
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  14. johnk...

    johnk... F1 World Champ
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    Power coating is pretty common. Check the web for a power coat shop around you.
     
  15. Dave rocks

    Dave rocks F1 World Champ
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    Yep. Extremely common but that doesn't mean the results will be consistent. It's not McDonalds. The prep, the powder all play key roles. When you get into the lower sheen stuff, it's a bit harder to find the right powders.

    The company I used for my engine stand only does industrial work - they won't do car parts. In fact, on my engine stand, a couple members have some light coverage on the bottom. If that was a car part it would have been sent back ;)
     
  16. johnk...

    johnk... F1 World Champ
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    So you ask to see a sample of their work. We're talking door sills here.
     
  17. Dave rocks

    Dave rocks F1 World Champ
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    John - have you been through this? I have. For those of us that try to restore to the original finish levels, it's just not black and white. The new OEM sill plates have a finish totally different than original but based on your statement, you would be fine with them as "we're talking a door sill"

    For guys like me, Elliott, and Jim (to name a few) it doesn't cut the mustard ;)
     
  18. johnk...

    johnk... F1 World Champ
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    I think the bottom line is that if you want to match something you need a sample. Then it's a matter of asking the shop if they can match it, and ask if they can do a sample.
     
  19. Dave rocks

    Dave rocks F1 World Champ
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    Yes, John. That's how it starts. It often ends differently....
     
  20. johnk...

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    Your too paranoid, Dave. :)
     
  21. Dave rocks

    Dave rocks F1 World Champ
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    It's call experience, John.

    @yelcab

    :D ;)
     
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  22. Lionworks Auto

    Lionworks Auto Formula 3

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    Appreciated...


    Sent from my iPhone using Tapatalk
     
  23. phrogs

    phrogs F1 Veteran
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    Let's not forget sometimes these sills have been off in the past, you have no clue what the people used to glue them back down.

    I have encountered a couple of sticky situations removing these.


    So its not cut and dry on removal if its not still factory glue.
     
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  24. judd10

    judd10 Formula Junior
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  25. Deadshort

    Deadshort Rookie

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    Where did you get those sills from?
     

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