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  1. #1
    Active Member One Ring
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    Oct 16 2010
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    Sparkplug questions/debate

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    I have been doing a little reading that last few days about which plugs to run, and what seems to work.

    Like most other automotive related questions, there are mixed reviews and feelings on which plugs seem to do well.

    After some reading I'm thinking about trying some Copper plugs. I know they'll foul at (at least from the reading) in 3-5k miles, which doesn't concern me, especially if they're going to perform as well as what has been stated.

    I've only had one other turbo car, and ran the NGK BKR7e I believe, they seemed to work well, but I want the best performance possible.

    What's everyone else running? Any plugs you prefer over another?

    Hopefully we can get some good information out of this thread.
    Last edited by granth; 02-23-2011 at 09:16 AM.
    Big Pig 2000 Audi A4 SQuattro
    Boost knob is turned up, and the car is still going no where fast...

  2. #2
    Veteran Member Four Rings Audi Skate Snow's Avatar
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    funny was just talking about this on another post in the B6 forum. I just changed over to the NGK 5238's. Idle is a lot smoother... no misfires, powerband feels great also. I have tried a ton of plugs and these are my fav so far.
    BetaAlphaTau member #1.5
    R.I.P B6 A4!!!!!! 12/03/2005 12.63@108... stock 1.8 motor W/ GTRS.
    B6 A4 Avant, 2.0 Liter, 3071, Maestro

  3. #3
    Veteran Member Three Rings 1NaudiA4's Avatar
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    I personally run Bosch FR5DTC's. They last me about 5,000 miles on E85 and I wouldn't go with any other plug. I tried running the NGK BKR7E's but they kept on fowling and giving me misfires.

    There was a guy over on Audigeeks that did some testing and the FR5DTC's came out on top http://www.audigeeks.com/forums/index.php?topic=3036.0

  4. #4
    Veteran Member Four Rings Audi Skate Snow's Avatar
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    Read this about plugs and coils. Good comparisons on the dyno.
    http://www.audizine.com/forum/showth...38-spark-plugs

    Part 2
    http://www.audizine.com/forum/showth...38-spark-plugs
    BetaAlphaTau member #1.5
    R.I.P B6 A4!!!!!! 12/03/2005 12.63@108... stock 1.8 motor W/ GTRS.
    B6 A4 Avant, 2.0 Liter, 3071, Maestro

  5. #5
    Veteran Member Three Rings bw86's Avatar
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    Quote Originally Posted by 1NaudiA4 View Post
    I personally run Bosch FR5DTC's. They last me about 5,000 miles on E85 and I wouldn't go with any other plug. I tried running the NGK BKR7E's but they kept on fowling and giving me misfires.

    There was a guy over on Audigeeks that did some testing and the FR5DTC's came out on top http://www.audigeeks.com/forums/index.php?topic=3036.0
    I use the Bosch FR5DTC plugs as well - love 'em. I came from bkr6e's @ .028

    2008cc - PTE6262 - Lugtronic - ID1700Xs - IECVA1s
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  6. #6
    Stage 3 Forum Advertiser Four Rings ECS Tuning-Audi's Avatar
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    Oct 02 2006
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    Wadsworth,OH

    Iridium plugs have equal to or better performance when compared to copper plugs the biggest difference is they last longer.

    We have them available below.

    Click HERE to order or for more information.


    Let me know if you have any questions.

    Pete

    ECS Tuning your #1 source for all things German automotive
    Customer Service Hours: M - F 8:00am - 8:00pm EST | Saturday: 10:00am - 7:00pm EST
    Sales Team Hours: M - F 8:00am - 11:00pm EST | Saturday: 10:00am - 7:00pm EST
    sales@ecstuning.com | customerservice@ecstuning.com

  7. #7
    Veteran Member Four Rings coolgraymemo's Avatar
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    Santorin/Ebony '00 S4 6MT | K04/K16, Stasis LSD/4:1, Bilstein PSS9, Stoptech, SSR Comps, & more
    '01 S4 Avant 6MT | '00 1.8t Avant | '93 RS2'd S4 | '99.5 1.8t | '01 1.8t | '95.5 S6 Avant

  8. #8
    Veteran Member Four Rings Audi Skate Snow's Avatar
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    been discuss 9 million times. no need to get to deep into this
    BetaAlphaTau member #1.5
    R.I.P B6 A4!!!!!! 12/03/2005 12.63@108... stock 1.8 motor W/ GTRS.
    B6 A4 Avant, 2.0 Liter, 3071, Maestro

  9. #9
    Veteran Member Four Rings gmx's Avatar
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    Quote Originally Posted by Audi Skate Snow View Post
    funny was just talking about this on another post in the B6 forum. I just changed over to the NGK 5238's. Idle is a lot smoother... no misfires, powerband feels great also. I have tried a ton of plugs and these are my fav so far.
    He has an '00 and I'm assuming Hitachi Rev E bolt downs which are weaker coils than yours. I wonder how effects the decision for plugs. Specifically, NGK 5238s (r5671a-9) - a 9 heat range plug.
    00 A4 1.8TQ MT (AJL)
    12 1M

    18*8 RPF1 | Vogtland GT 575F/675R | H-Sport Sways | 320mm B8 Brakes, 300mm S4 rear |
    GT2871R Elim | QMS tuned AJL 627cc EV14 @ 4.3bar | 034 3" DP (8psi backpressure!) | Milltek | JHM SSK
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