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I'm going to be carrying out a full service on the car next week..... coolant change..the lot.
I'm just wondering whether its worth shelling out more on NGK Iridium plugs?
Has anyone used them and noticed a difference?
I think it has standard plugs at the minute, I was looking at either...
A few weeks ago, I swapped my spark plugs (regular Denso variant) to the Iridiums.
Changed all the coils as well.
Since that has been done my mpg has increased by quite a margin. I expected it to be slightly better but this goes way beyond that.
I used to get 160 miles out of half a tank...
Bought a set for the leon today, went one grade colder than standard, basically the same as the densos ik22s iirc. Anyone else fitted them recently running a similar spec to myself?
Lastly, 24 quid for the set cant be bad either!
Not really sure how to access a spark plug so how does this IK22 look?
I bought a set of Denso Iridium IK22 plugs around 18months back and ran them in my car for around 2-3 months. Read up a little then decided to go back to stock plugs.
Anyway, after a little more reading it seems...
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