Spark plug NGK or Autolite

NGK Spark plug
Bliksemsnel
  • Idle:
  • Acceleration:
Rating 4.5

I installed the NGK PFR7S8EG laser double platinum. They came gapped at .032. Initially I installed them at .032 gap and just yesterday I closed the gap to .028. Car runs strong and idles smooth at both gaps.

Pros: runs strong, idles smooth
Part number: PFR7S8EG
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NGK Spark plug

Replaced old plugs, DENSO W20EXR-U, with new NGK BPR6ES. Idles a lot more smoothly now.

Pros: Idles a lot more smoothly
Vehicle: Volkswagen
Part number: BPR6ES
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NGK Spark plug

Just wanted to let you know i done the change and it was the easiest one i have ever done in my life! I went with the NGK Laser Platinum PZFR5Q-11 , but wanted to let you know just in case it could keep some out there from not checking the gap on these plugs prior to install. I thought they were supposed to come pre-gaped, but every one of them were set @ .040, instead of the manufacture recommended .044. Anyway, glad I checked, and thanks for the reply!

Pros: easy to install
Cons: gap not pre-set
Part number: PZFR5Q-11
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NGK Spark plug
SchnellFowVay
  • Acceleration:
Rating 4.0

I use cheap-o copper NGK V-Power all copper plugs on my M Roadster that produce max power (according to a cohort of enthusiast whack-jobs who repeatedly dyno their cars to look for .0005% differences in power output), but need to be changed every year. No problems thus far.

Pros: produce max power, no problems
Cons: need frequent change
Vehicle: BMW
Mileage: 2500 km
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NGK Spark plug
onevrsix
  • Idle:
  • Acceleration:
Rating 3.0

I'm at 60k figured, why not throw some new plugs in it for the hell of it. Ordered these as they're certainly not breaking the bank and again, reviews seemed promising. Now, immediately after turning the car on, (despite my disbelief when ppls said the car ran smoother) It actually did. My old plugs weren't in to bad of shape, nothing fouled up, gaps all looked the same, no excessive carbon build up and so on. When driving, engine truly feels very smooth but power doesn't seem as abrupt as it use to be. Before it would kick in and push you back, now its a slow, gradual kick. Almost feels as if I lost power. I have no way of determining how factual this is though. Fuel economy is roughly the same, if not a hair better. (based solely on my drive into work today) i received 24mpg as opposed to the 22-23 i normally get, driving no different than I normally do. Just wondering if anyone else noticed power loss or change in the feel of their car from these plugs. I'm seriously debating putting the old plugs back in, but I want to VAG COM my car first to see if I'm running any misfire codes.

Pros: engine feels smoother, slightly better fuel economy
Cons: perceived power loss, less abrupt power
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NGK Spark plug
texasmkv
  • Acceleration:
Rating 1.0

I've been running these plugs for over a year and a half and hate em, I guess when I got them I wanted new fresh plugs for a hot climate but should have taken them out immediately as there was noticeable power loss. I'm looking to go back to stock now as the car really ran much better. This is an unmodded 08 gti.

Cons: noticeable power loss, hate them
Part number: BKR7EIX
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NGK Spark plug
onevrsix
  • Acceleration:
Rating 2.0

I've tried NGK's gaped at .28 twice now once as preventative maint. and again some 20k down the road out of curiosity and both times i'd miss under WOT.

Cons: miss under WOT
Mileage: 20000 km
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