Replaced mine at 40,000 with NKG Platnium and it runs better than ever. I wish I had a pic of the ones I removed. They were baddddd.
Pros: runs better than ever
Mileage: 40000 km
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I changed them over to the NGK bkr7eix #2667 and was wondering if spark plugs would have any effect on boost? It seems like the car isn't boosting as it should, I have a boost gauge and it also seems the PSI is a couple LBs lower than before the spark plug change. I have not experienced any misfires (that I can tell) and no CEL it's just the boost doesn't seem as high.
Cons: lower boost, reduced PSI
Vehicle:
Volkswagen
Mileage: 40000 km
Part number: #2667
I got the plugs in just fine, and since this was the first time they had ever been changed, the originals were still there. Aside from having the Audi/ VW logos printed on the topside of the plugs' insulators, these are regular ol' NGK PZFR5D-11 plugs (stamped on the metal). The new ones I put in were pre-gapped at .040, and the old, worn ones were at .044 for the passenger-side plugs and at .043 for the driver-side plugs. I'm guessing that the elevated distance/numbers reflects natural wear and metal erosion over time.
Pros: fit just fine
Cons: worn old plugs
Vehicle:
Volkswagen Golf
Part number: PZFR5D-11
i just replaced my plugs and wires from ecs not too long ago. right around mid june. i got NGK plugs and wires, plug type was the one u listed there, i have an AVH. the wires i got were numbered wrong just a heads up to anyone that buys them.
Cons: wires numbered wrong
Vehicle:
Volkswagen
I prefer the NGK 8 or 9's, running them at 19 psi gapped at .018.
Pros: preferred performance
Vehicle:
Volkswagen
I've left the plugs in and the car fells like it did before. I could have just become accustom to the way it feels now but that "sense of emergency" when I hit the peddle is back.
Pros: car feels like before, power is back
I had NGK PFR6Q and it ran fine. But... now I use the stock NGK plugs
Pros: ran fine
Vehicle:
Volkswagen Passat
Part number: PFR6Q
I am stage2+ and changed out the coilpacks at the same time that I went with NGK. I never did a side by side comparison, but so far i like the NGK's
Pros: liked the plugs
Vehicle:
Volkswagen Golf
i havent noticed any drop in performance..runs smoother though like you said, and a little better fuel econ too
Pros: runs smoother, better fuel economy
Vehicle:
Volkswagen Golf
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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