Spark plugs for 355CH | FerrariChat

Spark plugs for 355CH

Discussion in 'Challenge/GT Cars/Track' started by thibaut, Jun 2, 2015.

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  1. thibaut

    thibaut Formula Junior

    Feb 28, 2004
    530
    London, UK
    Full Name:
    Thibaut A.
    All,

    Just got my 355 CH serviced. All fine but a friend realised the spark plugs they put were standard item, different from the 355CH genuine item which apparently the same as F40.

    As I use the car mainly on road, I am not fussed much about not having the genuine item. But I was wondering:
    a) do you guys have the std or genuine item on your car ?
    b) any views on the practical differences in behaviour ?

    Thanks

    T
     
  2. SupercarGuru

    SupercarGuru F1 Rookie
    Sponsor

    Dec 14, 2003
    3,744
    Fl
    Full Name:
    John Temerian
    I use the NGK Platinum plugs. I found that if you don't use Platinum plugs they will foul at idle.
     
  3. dantm

    dantm Formula 3

    Nov 1, 2003
    1,103
    YYZ, BOS, SFO
    Full Name:
    Dan B.
    Which is the superior plug, Ferrari 171626? Does anybody know what that is exactly, Eurospares has it at $33 each ;-)
     
  4. dantm

    dantm Formula 3

    Nov 1, 2003
    1,103
    YYZ, BOS, SFO
    Full Name:
    Dan B.
  5. Marius

    Marius Formula Junior

    Sep 5, 2006
    371
    Germany/Belgium
    Full Name:
    Marius
    I just checked the spare parts of my recently acquired 355 Challenge.

    Two sets of plugs in the spares:

    NGK R PMR7A (Ferrari part No. 169483, yellow Ferrari box)

    NGK R PMR7A in the standard "Laser Platinum" box, no Ferrari or something

    The later one sells for EUR 14,90 / each in Germany.

    Hope that helps.
     
  6. bobzdar

    bobzdar F1 Veteran

    Sep 22, 2008
    6,892
    Richmond
    Full Name:
    Pete
    Same plug that's specced for the 2.7 motronic road cars (PMR7A). 5.2's got one range colder PMR8's. I've tried both in my road car (2.7) and noticed zero difference.
     
  7. thibaut

    thibaut Formula Junior

    Feb 28, 2004
    530
    London, UK
    Full Name:
    Thibaut A.
    ok, so really I won't bother with it. As long as it runs well, nothing to worry about
     
  8. KMR968Turbo

    KMR968Turbo Formula 3

    Nov 11, 2007
    1,001
    Calgary, Alberta
    Full Name:
    Erik
    #9 KMR968Turbo, Jun 4, 2015
    Last edited: Jun 4, 2015
    I just had my plugs changed. The shop recommended NGK 4259 plugs. I had a little sticker shock when I got the bill though - $31 CAD per plug.

    PS: Just found the same plugs at Rock Auto for $13 CAD each. In case anyone else is looking.
     
  9. 308 GTB

    308 GTB F1 World Champ
    Rossa Subscribed

    Feb 7, 2002
    11,717
    New Jersey
    Full Name:
    Barry Wolinsky

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