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  1. #1
    Veteran Member Four Rings arorem's Avatar
    Join Date
    Mar 24 2008
    AZ Member #
    26783
    My Garage
    '99 A4 1.8TQ, '74 Triumph Spitfire
    Location
    Illinois

    Trying new plugs

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    I have done my searching, and found nothing on the subject. I was thinking about trying out some denso iridium plugs for my 99 1.8t. Some guys i run autocross with told me they were good for turbo engines. I have found that you guys seem to stick with NGK and bosch, and i have no problems with those brands just wanted some of your thoughts before i decide to try them.

  2. #2
    Veteran Member Three Rings
    Join Date
    Jun 19 2007
    AZ Member #
    18944
    My Garage
    2012 JSW TDI
    Location
    Raleigh, NC

    Re: Trying new plugs

    http://forums.vwvortex.com/zerothread?id=2666114
    For Stock Cars - .032" gap:
    NGK BKR6E
    Autolite 3923
    Denso Iridium IK20

    For Chiped Cars - .028" gap:
    NGK BKR7E
    Autolite 3922
    Denso Iridium IK22

  3. #3
    Veteran Member Four Rings Burntaudi's Avatar
    Join Date
    Feb 11 2004
    AZ Member #
    162
    My Garage
    Sold:1997 Audi A4
    Location
    Maplewood, Minnesota

    Re: Trying new plugs

    I disagree about the BKR7E's for chipped cars. I tried those with K04/PC16 and the car ran like crap. I went back to BKR6E's. So I would recommend BKR6E's gapped at .028.

    I would stay away from any Iridium plug their good for longevity not performance.
    Alex

    Sold 97 Audi A4 Turbo Quattro Manual
    KO4/GIAC PC-16/GHL Exhaust/EVO FMIC/ Southbend Clutch/JHM Short Shifter & Linkage/Shifter Bushing/Koni Coilovers/Neuspeed Sways/17" OZ Superellegras/Ecode Headlights/VVME Hids

    Current ride 03 Tahoe Z71

  4. #4
    Veteran Member Four Rings D's Avant's Avatar
    Join Date
    Oct 03 2007
    AZ Member #
    21561
    My Garage
    02 BMW 330i
    Location
    Illinois

    Re: Trying new plugs

    I ran Denso Iridium's in mine ('99 APR 1.0 bar) for a while and I'm happier with BKR7E's in summer at .028 and BKE6E's at .028 during winter. I have heard Denso's can run a little too hot for our chipped cars.
    Current '08 A6 Avant S-Line
    Former '99 A4 Avant 1.8t

  5. #5
    Senior Member Three Rings Solaris's Avatar
    Join Date
    Feb 01 2006
    AZ Member #
    10037
    Location
    NC

    Re: Trying new plugs

    Quote Originally Posted by Burntaudi View Post
    I disagree about the BKR7E's for chipped cars. I tried those with K04/PC16 and the car ran like crap. I went back to BKR6E's. So I would recommend BKR6E's gapped at .028.
    It's funny, you're not the only one with this experience, yet so many others have no issues. I even use 0.032" gap on my BKR7Es and it runs fantastic. I don't doubt the bad experience, I just find it strange.

  6. #6
    Veteran Member Four Rings arorem's Avatar
    Join Date
    Mar 24 2008
    AZ Member #
    26783
    My Garage
    '99 A4 1.8TQ, '74 Triumph Spitfire
    Location
    Illinois

    Re: Trying new plugs

    cool, ill probly just stick with the BR6E's and gap them to .028 and see how that does. I ran the denso's in my old mkIII jetta, but didnt really notice any difference.

  7. #7
    Account Terminated Three Rings
    Join Date
    Feb 15 2007
    AZ Member #
    15661
    Location
    marimont

    Re: Trying new plugs

    034 runs a step hotter bosch plugs on their high hp cars. I've tried them and personally think they are the best so far and I've tried alot of plugs.

  8. #8
    Veteran Member Four Rings belinko's Avatar
    Join Date
    May 09 2005
    AZ Member #
    6420
    My Garage
    Audi 1.8T QM
    Location
    Encinitas, CA

    Re: Trying new plugs

    How often do you guys change your Copper NGK plugs? 5K, 10K, 15K

    Anyone worried about stripping out there threads in the block?
    1.8L, JE pistions, IE rods, APR stg3+, GT28 Turbo, Setrab, ER comp. FMIC, APR HFC, Milltek Cat-back, APR 91, 93, 100 - CM FX 300, CM 240 LWFL, JHM 4:1, AMS SS, RS4 Motor Mounts - 355mm Alcon 4 pot, 300mm Alcon S4 - Stasis/Ohlins MS, Hotchkis Front and Rear, Stern adj. CA Front, 034 adj. CA Rear - 18x8.5" Work CR Kai wheels, NT-01 & Dunlop Z1 star spec - RS4 Front bumper and grill, Tow Strap, RS4 E-codes - SPA Technique Dual Digital gauges Oil & Water temp, Oil & Boost pressure, RS4 Door Handles

  9. #9
    Senior Member Three Rings Solaris's Avatar
    Join Date
    Feb 01 2006
    AZ Member #
    10037
    Location
    NC

    Re: Trying new plugs

    Quote Originally Posted by belinko View Post
    How often do you guys change your Copper NGK plugs? 5K, 10K, 15K

    Anyone worried about stripping out there threads in the block?
    5k. I use a little anti-seize on the threads when I install the plugs.

  10. #10
    Veteran Member Four Rings arorem's Avatar
    Join Date
    Mar 24 2008
    AZ Member #
    26783
    My Garage
    '99 A4 1.8TQ, '74 Triumph Spitfire
    Location
    Illinois

    Re: Trying new plugs

    i usually change my plugs between 5 and 10k. Just dont over tighten them and put some anti-seize on the threads. Oh and also some dielectric grease on the fitting for the coil helps them come off easier next time you change them and keeps moisture out.

  11. #11
    Veteran Member Four Rings .Mad Hatter.'s Avatar
    Join Date
    May 07 2007
    AZ Member #
    17843
    Location
    Canada

    Re: Trying new plugs

    Bosch F6DTC.

    I had the BKR7Es and the car had a rough idle in the winter. the Bosch plugs run great in warm or cold.

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