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Constant_Project21 · 01-08-2010

I remember a friend of mine switching to 9's and seeing nothing good (pretty much identical set up as yours). I also went to an 8 for a bit, but my fuel was loading up, and I was shooting 3ft. flames out my exhaust. If ya have access to all of them, why not try going colder and see what works best?

01-08-2010	#3
Constant_Project21 Join Date: Sep 2008 Location: Saint Paul, MN. Drives: E36 Posts: 2,269	Re: Upgrading from NGK BPR9ES from BPR6ES. I remember a friend of mine switching to 9's and seeing nothing good (pretty much identical set up as yours). I also went to an 8 for a bit, but my fuel was loading up, and I was shooting 3ft. flames out my exhaust. If ya have access to all of them, why not try going colder and see what works best?