Spark plug question
#5
Lexus Defector
iTrader: (60)
Those will work perfectly as an OEM replacement. They are Iridium plugs so they should last longer than platinum ones. Changing to a different brand than OEM wont have any "side effects" just as long as it's the right application. And NGK plugs are just fine in our cars as well.
#6
Registered User
Sorry for this bump from the past, but this should be corrected!!!!!!
Regardless of whether you can bolt them in or not, those plugs are a full two heat ranges hotter** than the OEM plug. Why on earth would you want to run hotter plugs in a high compression engine? (you'd be knocking like crazy!)
If you want to run a different brand plug, that's fine, but for god's sake at least get the right heat range!
** http://www.densoproducts.com/learnin...nversion-chart
A Denso 22 heat range equates to an NGK 7 heat range, not 5!
Last edited by vqsmile; 04-13-2015 at 12:07 AM.
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