NGK plugs have never failed me at my shop. I'm pretty sure they're NGK 3199 plugs
Pros: never failed, reliable
Part number: 3199
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Can't beat the 2.5 for hassle free reliability. Economy sucks, though. I have had my 130k mile 2.5 Rabbit since new and I have never averaged more than 25-26mpg in mixed driving, but on the other hand I haven't done much more than oil changes and spark plugs on it.
Pros: hassle free reliability
Cons: economy sucks
Vehicle:
Volkswagen
Mileage: 209215 km
i changed the plugs out for oem replacement NGK plugs (it had bosch platimun +2 in it) and a set of wires. and it ran just fine it was fixed. i then decided to swap my other coilpack back in and it ran fine no issues at all.
Pros: ran fine, it was fixed
Vehicle:
Volkswagen Golf
I put in NGK PFR7B plugs and R8 coil packs. Smoothed the idle out and judging by the butt dyno the rev/boost response seems great.
Pros: smoothed the idle, great response
Part number: PFR7B
I run stock NGK with .026 gap as well and I've been anywhere from 10-18psi
Pros: works well at high boost
Vehicle:
Volkswagen
Denso Iridium plugs work perfect in 2.0T Got them from Autozone for $8 each, smooth idle at start up and when warm, great response, made in USA.
Pros: smooth idle, great response
The plugs were only part of the problem. (They were NGK VW/Audi part#1010000035AB, NGK BKB5EKU. Good plugs, lasted forever. Sure, they needed to be replaced, but the #6 plug well must have been flooded a time or two before the radiator was replaced last month. The metal plug jacket had a lot of green crud in it. I cleaned the plug jacket with cylinder brushes from Harbor Freight ($7.00 without coupon for an assortment 3 sizes in SS and brass) and finished with medium emery paper wrapped around a thin long screwdriver. The motor runs smoothly now, across the RPM range, without hesitation.. I'm wearing a pretty wide smile.
Pros: good plugs, lasted forever, runs smoothly, no hesitation
Vehicle:
Volkswagen
Part number: 1010000035AB / BKB5EKU
i might switch out the plugs again because my buddy got me some freebie bosch plat 4 and i wanna put the bosch single silvers in.
I installed brand new denso ik24 plugs gapped at .026 and I am still getting misfires.
Cons: still getting misfires
The autolite is a cheap plug, not what is recommended to be used.
Cons: cheap plug, not recommended
Vehicle:
Volkswagen
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