Looking for a 355 #8 plug wire.. | FerrariChat

Looking for a 355 #8 plug wire..

Discussion in '348/355' started by cladd2000, Jun 2, 2013.

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  1. cladd2000

    cladd2000 Formula Junior
    Silver Subscribed

    Jan 18, 2005
    519
    I was fiddling and left it dangling and it melted on the fabspeed header. I spliced it but I still don't think it's quite right. Trying to avoid the $275 ricambi solution. Thanks for any help!
     
  2. 355rockit

    355rockit Formula Junior

    Dec 1, 2010
    894
    San Marcos, CA
    Full Name:
    Vas
  3. cladd2000

    cladd2000 Formula Junior
    Silver Subscribed

    Jan 18, 2005
    519
    Thanks. Going to try silicone tape. Sounds promising
     
  4. m5guy

    m5guy Formula 3

    Aug 17, 2008
    1,627
    Ventura, CA.
    Full Name:
    Greg
    I'm not sure tape is going to keep the plug wire from arcing to the closest metal object, but it won't hurt to try. I say ditto to Kingborne though. It's a cheap solution and if your car is still running on the original plug wires, you'll be surprised at how much of a difference a set of new ones will make.
     
  5. Extreme

    Extreme F1 Rookie

    May 26, 2010
    2,515
    Northern Utah
    Full Name:
    Erick
    I have a question that is relevant to this thread.
    My 355 has 34k miles.. I know it's about ready to fall apart and be worthless but none the less would I benefit from new plug wires? How do they go bad if not cut or torn or otherwise visibly damaged?
     
  6. f355spider

    f355spider F1 World Champ
    Owner Rossa Subscribed

    May 29, 2001
    18,055
    USA
    I am not so sure the problems will manifest as a visual problem. The get weakened from all the heat of the wires crammed into the valve covers. You may not necessarily see the problem. I know when I have had a bad spark plug extension on other cars I have owned, I could not always see the problem on the extension, but new ones cured the miss.

    I'm with M5guy to the OP, if the wires are original, just replace them all.
     
  7. plugzit

    plugzit F1 Veteran
    Silver Subscribed

    Dec 1, 2004
    7,794
    Redondo Beach, CA
    Full Name:
    Bruce Bogart
    It is quite possible to replace just the wires using the factory terminals (boots). They do come apart. Fat BillyBob has a thread on it somewhere....not rocket science.
     
  8. yelcab

    yelcab F1 World Champ
    Consultant

    Nov 29, 2001
    13,673
    San Carlos, CA
    Full Name:
    Mitchell Le
    the 348 comes apart by pulling on it at the boot/wire point. The 355 seems a bit different and I have not tried it. The boot seems to be the expensive portion, not the wires.
     
  9. GerryD

    GerryD Formula 3

    May 5, 2010
    2,446
    North of TO
    Full Name:
    Guido
    Yes, but remember to pick up 7mm wire and not 8mm which is the size of most wires and they wont fit through the grommet. I might even have an original set of wires laying around. If the OP pms me later, ill let him know if I have found them.
     
  10. m5guy

    m5guy Formula 3

    Aug 17, 2008
    1,627
    Ventura, CA.
    Full Name:
    Greg
    Hi Erik, this is what was going on with my car. I had a very slight burble, like a slight miss, most noticeable at idle. Tried a couple of easy diagnostics (air, fuel, spark right?) and air and fuel were not the problem. So I started tracing spark as mentioned in another thread. My intent was to look at the plugs first, so off came the valley covers and I started pulling plug wires 1 by 1. I found 1 wire where the rubber in the valley area had become brittle and started to crack open. It showed a witness mark of arcing on the valve cover. Then I found another wire with a cracked boot.

    Bottom line, after inspecting all the plugs I replaced all the wires with the Kingborne set. Idles great now and there is a slight improvement in the throttle tip-in response. Can't argue with the Kingborne price either. It was a great DIY maintenance deal.

    -Greg
     
  11. tr512

    tr512 Formula 3

    Apr 12, 2007
    1,600
    canada burnaby bc
    Full Name:
    Michael
    I have plug wire# 8 i can send it to you for free.I've tested it and its good.
     
  12. ksim

    ksim Karting

    Feb 20, 2006
    93
    West London
    Full Name:
    Kwang
    Get a new set. Not worth the trouble if it fails
     
  13. roadracer311

    roadracer311 Formula 3

    May 6, 2009
    2,398
    San Francisco
    Full Name:
    Paul
    This sort of thing is what makes this forum truly exceptional among forums.
     

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