Fuel cut or boost cut???
I wasn't talking about adding anything new so not sure where your nitrous comment is coming from. You have an AP. You wouldn't have to add any new parts to run a tune that would take advantage of 91 octane fuel. All I'm saying is that if you aren't getting KR with 85 octane on a 91 map, that map is either extremely conservative or is messed up, and simply by switching to a different map or playing around with ATR which you now have, you could adjust the tune to take advantage of 91 and make more power. That's all I was saying.
2015 Ironman Silver Veloster Turbo - Bone stock and staying that way
1990 Crystal White Miata - Beater - Bignose 1.6L Swap, Robbins Top w/Glass Window, E-Codes, Air Horns, Brembo Rotors
Former Rides:
2011 Kona Blue Mustang GT 5.0
2009 True Red Mazdaspeed3 GT
2005 Flame Red SRT-4
1990 Crystal White Miata - Beater - Bignose 1.6L Swap, Robbins Top w/Glass Window, E-Codes, Air Horns, Brembo Rotors
Former Rides:
2011 Kona Blue Mustang GT 5.0
2009 True Red Mazdaspeed3 GT
2005 Flame Red SRT-4
I can add what I know from experience...
Just because the pump has an octane rating sticker on it, does NOT mean it will meet the standards you want.
I have experienced terrible knock with premium in prior turb'd cars just by filling up at the wrong station. I have also managed to get excellent performance from regular 87 octane in the same car when permium was not available.
When you find what works for you, stick with it.
Just because the pump has an octane rating sticker on it, does NOT mean it will meet the standards you want.
I have experienced terrible knock with premium in prior turb'd cars just by filling up at the wrong station. I have also managed to get excellent performance from regular 87 octane in the same car when permium was not available.
When you find what works for you, stick with it.

AIM WO4
[color=#339966][font=Microsoft Sans Serif][color=gray]CMZƆ[/color][/color][/font]
[size=75]2012 Sinful Sallow, Evo X GSR[/SIZE]

[color=#339966][font=Microsoft Sans Serif][color=gray]CMZƆ[/color][/color][/font]
[size=75]2012 Sinful Sallow, Evo X GSR[/SIZE]
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