Last time I went Bremi coils and NGK Laser Platinum plugs.
Owner reviews for spark plug
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I found that it had Autolite Iridum spark plugs. They didn’t look bad and were gapped appropriately but I replaced them anyway with the recommended NGK spark plugs. Car has ran perfectly since then with no misfires or stuttering.
Pros: car ran perfectly
Cons: misfires and stuttering
Vehicle:
Saab
Installed the NGK rs7 plugs and it runs fine. I kept them at factory gap, which was, if I remember correctly approximately .028.
Pros: runs fine
I just hit 40k miles and went with the NGK (RS7) plug gapped to .024, and the RS3 coil pack upgrade. The initial results after install was underwhelming. Car ran a tad smoother, but that's it. Since the benefit of the RS3 packs were to provide a more intense spark, I tried a wider gap ~.028-.030 Man it woke things up! Revs "effortlessly" and pulls hard from top to bottom.
Pros: revs effortlessly, pulls hard
Cons: underwhelming initial results
Mileage: 40000 km
Bottom line: you can't go wrong with NGK. Can't really go wrong with OEM Bosch either but I'd just stick with NGK and make sure you gap them right, call it a day. I'd avoid Denso.
Pros: can't go wrong
Cons: avoid Denso
Vehicle:
Volkswagen Passat B6
I have just replaced the oil and all 6 spark plugs with Bosch Double iridium.
Vehicle:
Volkswagen
Installed new plugs. Probably took 30 minutes - very simple - thanks Nissan! The original plugs which I am embarrassed to say went 123K miles came out very easy so I saw no need.
Pros: very simple installation
Vehicle:
Nissan Altima
Mileage: 123000 km
I have never seen any real large difference in NGK, Denso, and Champion if the proper heat range/type plug was used.
I'm not a fan of the old platinum Bosch design or regular autolite.
Pros: proper heat range works
Cons: not a fan
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
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