Been using the ngk ones for 10K km so far and they work just like oem, no problems, no misfires.
Reviews of spare parts for Audi
The racing plugs from NGK are exceptionally expensive, their standard Iridium plug is great as well. I wouldn't spend the money on the racing plug... I've tracked my car with the standard Iridium plug extensively and had no issues with plug wear etc. I personally feel that the racing plug is just taking more money out of your pocket for no gain/return.
I currently have them installed and gapped at .025. I don't know if they're making a difference or not but the car is running great so I haven't bothered switching back to stock.
I've personally ran these plugs in my car with 40+ psi of boost and lots of ethanol for the past 5 years. Great plugs!
I chose the gtx2867. it fits the bill so well.
I've been running 12k-20k, oil & filter change intervals with Amsoil since 1978 (mainly in VW/Audi engines) and have never come close to wearing out an engine. When I sold my 1990 Audi 100 with 260k miles, it was still only using a quart of oil in 10,000 miles.
Just installed Motivo's on wife's 2006 S4. Really like the tires. Tires are quiet, have excellent wet weather grip and seem resistant to hydroplaning. Also the tires do not follow road seams/grooves. Thinking about putting Motivo's on my 2013 GTI.
I ran those plugs with zero issues for many years on my stage 2+ car gapped at .028.
i drove on the OEM Dunlop SP8000's that came on my old B5 A4 years ago and they were just average.
im actually running that oil right now... I hate it tbh. 3,100 on the oil and it has allowed excess engine noise since day one, SUPER harsh cold starts, and now its burning through faster than the catrol I ran when I first got the car. a WHOLE QUART over 750 miles. the oil is thinner than piss going in, and it just doesnt stand up to what my engine can put out like Shell Rotella T6 has been doing...
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