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Thread: Original clear coat paint failure

  1. #1

    Original clear coat paint failure

    My metallic silver '74 914 2.0 was repainted back in the mid 80's because of supposed clear coat failure. Was this common back in the day.....if so, why.....what caused the paint to fail.
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    JEFF BRINTON
    ESR #1572
    1968 911N
    1974 914 2.0L
    2023 Macan
    SOLD - 1967 911N / 1968 911L / 1967 911N / 1969 912 / 1991 964 C2 / 2013 991.1 / 2008 987 Cayman

  2. #2
    member #1515
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    Absolutely, the clear coat developed spider web cracking. Just poor products at the time
    David

    '73 S Targa #0830 2.7 MFI rebuilt to RS specs

  3. #3
    Great looking car.
    73 TS
    86 Carrera
    3501

  4. #4
    Senior Member
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    Nov 2003
    Location
    Santa Monica CA
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    2,041
    Still see the cracking on modern cars today.
    1. Chris-Early S Registry#205
    2. '70 911S Tangerine
    3. '68 911L Euro Ossi Blue

  5. #5
    Early S Reg #1395 LongRanger's Avatar
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    California High Desert
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    OG Porsche Two-stage Finishes . . .

    Very few cars w/metallic paint still have their original finishes. Here are a few that I can recall . . .

    Gold '73 Targa . . .
    http://www.early911sregistry.org/for...since-1974-65k

    Silver '70 Coupe --- the 700-mile 'S' . . .
    http://www.early911sregistry.org/for...ile-911-detail

    Paint-to-sample (?) '73 Coupe . . .
    http://www.early911sregistry.org/for...810#post591810


    Another post --- about Porsche's 2-stage finishes . . . see #621 . . .
    http://www.early911sregistry.org/for...ty-nine/page63

    .........

    We Can Be Heroes

  6. #6
    member #1515
    Join Date
    Mar 2009
    Location
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    I think climate had a big impact. Temperature changes and exposure to sun accelerated the onset. My metallic silver lasted less than 3 years. It started as crazing of the clear coat then, as it progressed looked almost as if it had been sanded. The base metallic was dull and the clear coat was what gave it the shine. The clear coat required a catalyst to be mixed in.
    There were no really good clear coat metallics available, that resembled the original , until the 80's. One of the main reasons I went for a simple solid color instead.
    There were good metallics, but in Nitrocellulose paints, which also did not last in the sun.
    David

    '73 S Targa #0830 2.7 MFI rebuilt to RS specs

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