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copper

  1. General Discussion
    I'm thinking about doing the spark plug swap as my next project. I've looked up gaping and am under the impressions .033 mil is the best bet for performance, however I'm curious its interference with my turbo and the computer tuning, or if it will affect at all and I also need the part number to...
  2. General Discussion
    Was down at the dealer lookin at the 2015 cruze and noticed the 1.4L engine had copper plated exhaust manifold bolts-stuck out like a sore thumb !! so now I'm wondering if they have had a bolt seizure problem with the aluminum head, I have that going on with my ford truck and the timing cover...
  3. Gen1 1.4L Turbo
    I received a set of four NGK V-Power BKR7E-4644 earlier this week as a birthday present from one of our Gearheads. Today's my birthday and I took the day off. It was warm enough to install them. They came gapped between 0.030 and 0.034" and I regapped them to 0.034-0.035". My coin gapper has...
  4. Gen1 1.4L Turbo
    I am switching over to the coppers on Friday.. Reason being is I am having major blowout problems @ any gap on NGK's.. 1/2 to 3/4 throttle between 2k and 4k very violent shaking and hesitation.. It will cut out then it almost feels like being hit from behind with big surging, I am down to .025...
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