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Thread: OEM Ferrari door and bumper gaps all over the place

  1. #1

    OEM Ferrari door and bumper gaps all over the place

    I have been spending a lot of time and energy to get the door and bumper gaps on my AD355 to be close to 1/4". I just walked around a Fiero and I noticed that the gaps are all over the place and I have never noticed it. Furthermore, I went a Ferrari meet and OEM Ferrari's are not much better. There was one F355 that was that had perfect gaps to the doors and bumpers. I asked the guy when the car was wrecked and he asked me how I knew...

    Here is what I have found:
    308 stick a finger between the door and fenders
    F348 horrible gaps
    F355 ok new (but get worst over time)
    360 getting better
    430 really good (or as good as a Corolla)

    It looks like as time goes on, the Italians learn about fit and finish.

    I am now worried that as I drive my car, that the gaps are going to change.

  2. #2
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    Re: OEM Ferrari door and bumper gaps all over the place

    Hey It's been awhile, how goes it?? I have not spoken to George in a long time! I hear your car is red though??


    RUNDLC

    Tell C and the baby hi

  3. #3
    Moderator FunnyWheels's Avatar
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    Re: OEM Ferrari door and bumper gaps all over the place

    Quote Originally Posted by Brastic
    I have been spending a lot of time and energy to get the door and bumper gaps on my AD355 to be close to 1/4". I just walked around a Fiero and I noticed that the gaps are all over the place and I have never noticed it. Furthermore, I went a Ferrari meet and OEM Ferrari's are not much better. There was one F355 that was that had perfect gaps to the doors and bumpers. I asked the guy when the car was wrecked and he asked me how I knew...

    Here is what I have found:
    308 stick a finger between the door and fenders
    F348 horrible gaps
    F355 ok new (but get worst over time)
    360 getting better
    430 really good (or as good as a Corolla)

    It looks like as time goes on, the Italians learn about fit and finish.

    I am now worried that as I drive my car, that the gaps are going to change.
    I had the same problem on my car. I elected to build a beveled edge on the front fender to help close the gap and added a flange to the door lip where it overlaps the rear quarter panel. Those two seem to make a big difference on the sides. I am still not happy with the hood. The gaps along the fenders and above the headlights are trouble spots. The rear deck lid fits as well as a real 355. Bumper gaps are held in place with a sub frame.

    Dave
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  4. #4
    Moderator FunnyWheels's Avatar
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    Re: OEM Ferrari door and bumper gaps all over the place

    Not real sure how to fix these. I get them close then as I drive it the gaps change, especially where the lights go up and down.

    What are you doing in this area?
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  5. #5
    Senior Member LeeT's Avatar
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    Re: OEM Ferrari door and bumper gaps all over the place

    That is one stunning looking 355

  6. #6
    Moderator FunnyWheels's Avatar
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    Re: OEM Ferrari door and bumper gaps all over the place

    Quote Originally Posted by LeeT
    That is one stunning looking 355
    Thank you.

    I have been building it since 1998. This is the kind of product (although highly modified in this form) John Watson supplies to our kit car builders.

    I think he is one of the best suppliers and one of the most honest.
    If you're not confused, you're not paying attention.

  7. #7

    Re: OEM Ferrari door and bumper gaps all over the place

    The area around the head light doors has taken a lot of work. I stopped tracking hours at 20 and the guy doing the per for paint on my car called me last week with the "I have done everything I can, I am done" speech. It is close, but I know that it will wonder. I have build in a lot of adjustment into the brackets that hold the lights for future adjustment.

    John recommends to silicon the doors and fenders after the adjustment is correct to keep them from moving. Has anyone done that?

  8. #8
    Moderator FunnyWheels's Avatar
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    Re: OEM Ferrari door and bumper gaps all over the place

    I am not having any trouble with the door and fenders only the hood around the Ferrari headlights. The gap constantly changes with the up and down movement of the lights. I may need to pull off the nose and tack weld the brackets in place.
    If you're not confused, you're not paying attention.

  9. #9
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    Re: OEM Ferrari door and bumper gaps all over the place

    If you are using OE ferrari headlights you are fighting a loosing battle. I have a customer with a 355 and the assemblies just don't seem to be repeatable. I can get them adjusted and they look great. If I cycle them 20 times, 1-2 cycles close differently. Then after driving for a few months it may settle in to the other position more often. And no the car has never been in an accident. If you are using GM assemblies they have even more issues. Sorry I was no help, I have thought about fabricating a "stop".

  10. #10
    Moderator FunnyWheels's Avatar
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    Re: OEM Ferrari door and bumper gaps all over the place

    Quote Originally Posted by bartman
    If you are using OE ferrari headlights you are fighting a loosing battle. I have a customer with a 355 and the assemblies just don't seem to be repeatable. I can get them adjusted and they look great. If I cycle them 20 times, 1-2 cycles close differently. Then after driving for a few months it may settle in to the other position more often. And no the car has never been in an accident. If you are using GM assemblies they have even more issues. Sorry I was no help, I have thought about fabricating a "stop".
    You have discribed my problem. I suspect it is just sometning I will have to deal with every few months. Momma, Miea!
    If you're not confused, you're not paying attention.

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