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Spark plug recommendations for JB4

DjVoic3

Passed Driver's Ed
Location
Toronto
As the title states, what would you all suggest? Im nearing 50k and it feels like the rough idle blips are more frequent now. Stock is12 with 94 octane and 17 peak.
 

Slick99

Ready to race!
Location
Karachi, Pak
go for stock plugs or ngk rs7 plugs.
 

BoomGTI

Ready to race!
Location
Rockford IL
Car(s)
2007 GTI
As the title states, what would you all suggest? Im nearing 50k and it feels like the rough idle blips are more frequent now. Stock is12 with 94 octane and 17 peak.



I would honestly just go with oem replacements. I’d only go a step colder if you were pushing over 100 hp more than stock, even then it’s probably not necessary.
 
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