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Thread: Spark Plugs

  1. #1
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    Default Spark Plugs

    The spark plugs i have fitted on my 155 Q4 were Bosch WR6DTC (3 lateral electrodes), the recommended ones!

    But i wan't to change them. I've discovered that they are discontinued. They were changed by Bosch to WR6DC+ (just one central top electrode).

    Anyone of you is using this last ones?

    Or are you using another ones? Wich ones?

    My Q4 is using a KN filter (box replacement) and a Squadra chip besides a direct 3' exaust ...

    What spark plugs do you recomend???
    Kind regards
    Josť Santos

    147 1.6 TS
    155 Q4
    156 GTA

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    Sub mentioned some numbers for plugs, think they were Golden Lodge!

    wrinx
    My Q4 in the Garage

    www.alfaromeo155.co.uk ............................ □□□-V-□□□ .................................. www.ilmostro.co.uk

  3. #3
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    I?m using Bosch Super 4 FR56 (4 electrodes) and no problem.

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    I use the NGK reccomanded from Evocars {sorry I do not remember the code type} and a friend of mine with Squadra's chip mounted use them too with no problems. When he had mounted on the Q4 he noticed a + 200 rpm in idle and corrected it, that's the only problem he had. My idle with OEM eprom was at 1150 rpm.

    Nick

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    They're the NGK BP6ET?
    Kind regards
    Josť Santos

    147 1.6 TS
    155 Q4
    156 GTA

  6. #6
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    B8EGV are the recomended for the Evocars chip.

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    Quote Originally Posted by Juan AR155Q4 View Post
    B8EGV are the recomended for the Evocars chip.

    That's the one. Used mostly by Kawasaki, Suzuki and other moto.

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