Spark plug advice
 

I know this subject has been beat to death but just wanted to see if there have been any changes to what people have been running.

Im changing out my plugs and want to see what people would recommend for running 8-900 whp at boost not exceeding 2 bar.

Im not running ethanol so will only be using pump + meth or MS109 etc...

Im currently running Denso PK20's with no issue and they are gapped to 0.026.

Some people are running NGK BKR7E-E gapped to .020 and NGK PFR7B gapped to .026.

Should I stick to what I have or recommend one of the above or something different.

Also should I look to upgrade coils at this stage or waste of money as I'm not using ethanol?

I can't ask my tuner as I haven't decided on one yet.

Thanks!

Yep beat to death, and more. I would stick with what you got.