vs
Spark plug Autolite or Denso
Had these on my MKV and they made the car smoother too.
Pros: smoother car
Vehicle:
Volkswagen Golf
after installing the new plugs: 1- yes, the idle went down to around 780 (from 820-840) 2- the needle is rock steady.. you reeeeaaally have to fixate on it to see any fluctuation at all... 3- this is the weird one: power is smoother. Not "more power", but what I used to call "silky acceleration" when I raced Formula 5 years ago. hard to explain other than to say that the car outputs the same power without the drama, smooth... BTW, my car has 2100 miles on it.
Pros: stable idle, smoother power, silky acceleration
Vehicle:
Volkswagen
Mileage: 3380 km
Mine came out the box .028 and I left them as is. The plugs are 1 step colder so its already a plus. The car does run smoother through the rpm and does idle smoother.
Pros: smoother idle, smoother through rpm
I've had a slightly rough idle since my can was new (about 6500 miles now) Got an APR stage 1 tune a few months back and of course the idle was still rough. Finally got around to replacing the stock spark plugs with the APR recommended Denso IKH24 spark plugs and..... My idle is so damn smooth now I can't even feel the engine is on. This is what i expect the idle to be like on a new car but this being my 3rd 2.0T from the VAG family i know the idle is a little rough some times.
Pros: smooth idle, engine not felt
Mileage: 10461 km
Part number: IKH24
I put IKH24's in my car as a troubleshooting step earlier this week, due to a low RPM stutter I was getting and knowing I'd been about 15K miles on my stock plugs. They made a BIG difference in my car, much smoother idle when sitting at stoplights, and running a lot smoother under boost at lower RPM's as well. No noticeable difference in engine noise. In my case, this is likely a mix of stepping to a better plug as well as my original plugs just being weary after the ocean of extra power.
Pros: smoother idle, smoother under boost, no engine noise
Part number: IKH24
kinda smoothed out the car a bit, idles smoother as well.
Pros: smoothed out car, idles smoother
Autolite 4162's, I changed them out every 1000 miles.
Cons: short lifespan
Vehicle:
Volkswagen
Mileage: 1000 km
Part number: 4162
the tips of the IKH24s break off in expensive TTRS engines.
Cons: tips break off
Vehicle:
Audi
I have the 24's, not impressed.
Cons: not impressed
Vehicle:
Audi
the densos work fine, the point of swapping is not for any performance gain, rather to prevent shattered ceramic from raining into your cylinders
Pros: work fine (normal use)
Cons: risk of ceramic shattering
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