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Old Aug 10, 2024 | 06:48 PM
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Default 91 Octane

I filled my tank for the first time today, $50. bucks. As the Owners Manual says use 91 octane or higher, I selected the 91.
Here's a photo of the three octane choices I had, what do you all think ?
Attached Thumbnails 91 Octane-91-octane.jpg  
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Old Aug 10, 2024 | 07:30 PM
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Originally Posted by Amigo
I filled my tank for the first time today, $50. bucks. As the Owners Manual says use 91 octane or higher, I selected the 91.
Here's a photo of the three octane choices I had, what do you all think ?
What model NX do you have?
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Old Aug 10, 2024 | 08:34 PM
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Lightbulb 91 for Amigo

91 for turbo. 87 okay for other NXs ; but lots of NXers have octane anxiety. Lots of threads on octane , no substantial data proving anything other than 87 octane needed.

YMMV,
MidCow3
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Old Aug 10, 2024 | 08:45 PM
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https://images.app.goo.gl/wLMJGy1NKY7DJ5jM8
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Old Aug 10, 2024 | 08:58 PM
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Originally Posted by SeismicGuy
@SeismicGuy thank you so much. Finally, we have some proof that even 93 Octane is not enough , that we need to buy the SNL Octane Booster: https://www.fleetpride.com/parts/luc...ration_General

Thanks again, for one of the best posts yet on what octane is best for superb , efficient, NX performance and long engine life. Everyone should look at and study your URL link.

YMMV,
MidCow3
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Old Aug 10, 2024 | 09:19 PM
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Originally Posted by Amigo
I filled my tank for the first time today, $50. bucks. As the Owners Manual says use 91 octane or higher, I selected the 91.
Here's a photo of the three octane choices I had, what do you all think ?
91 is fine. In CA the highest we can get is 91 unless you want to spend $$$ for racing fuel.

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Old Aug 11, 2024 | 06:45 AM
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Originally Posted by Amigo
I filled my tank for the first time today, $50. bucks. As the Owners Manual says use 91 octane or higher, I selected the 91.
Here's a photo of the three octane choices I had, what do you all think ?
From your previous post, you have a NX350 - so 91 is what you will need.
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Old Aug 11, 2024 | 07:55 AM
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Exclamation

Originally Posted by lsft
From your previous post, you have a NX350 - so 91 is what you will need.
Yes, see post #3
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Old Aug 11, 2024 | 09:03 AM
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Originally Posted by lsft
From your previous post, you have a NX350 - so 91 is what you will need.
You are CORRECT!



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Old Aug 11, 2024 | 09:38 AM
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Originally Posted by randyp1234
what model nx do you have?
2025 nx 350
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Old Aug 11, 2024 | 09:42 AM
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Originally Posted by midcow3
@SeismicGuy thank you so much. Finally, we have some proof that even 93 Octane is not enough , that we need to buy the SNL Octane Booster: https://www.fleetpride.com/parts/luc...ration_General

Thanks again, for one of the best posts yet on what octane is best for superb , efficient, NX performance and long engine life. Everyone should look at and study your URL link.

YMMV,
MidCow3
My my someone's in a twist. It is just that octane discussions tend to fall into the same category as K&N filter discussions.
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Old Aug 11, 2024 | 09:45 AM
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Originally Posted by SeismicGuy
My my someone's in a twist. It is just that octane discussions tend to fall into the same category as K&N filter discussions.
Ha! Like oil brand’s & viscosity
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Old Aug 11, 2024 | 10:26 AM
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As others have noted here, consult your manual for what Lexus requires or recommends for octane. They aren't trying to trick you...they know something about their recommendations/requirements for fuel.
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Old Aug 11, 2024 | 11:08 AM
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Lightbulb

Originally Posted by SeismicGuy
Originally Posted by midcow3
@SeismicGuy thank you so much. Finally, we have some proof that even 93 Octane is not enough , that we need to buy the SNL Octane Booster: https://www.fleetpride.com/parts/luc...ration_General

Thanks again, for one of the best posts yet on what octane is best for superb , efficient, NX performance and long engine life. Everyone should look at and study your URL link.

YMMV,
MidCow3
Originally Posted by SeismicGuy
My my someone's in a twist. It is just that octane discussions tend to fall into the same category as K&N filter discussions.
Satire to your original SNL Popcorn Crazy GIFs, post #4 ....but no one is in a "twist"




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Old Aug 11, 2024 | 12:23 PM
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Costco does not have 91 so I've been getting 93 and my NX is not complaining
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