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Old Mar 28, 2024 | 06:15 PM
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Default Octane Booster
I am considering using octane booster in my 95 as I am 25 miles from a station that has BP Ultimate. We have a local station that has 87 octane regular non ethanol and then add the booster. My car has the LT4 hot cam, High flow heads, larger throttle body and headers. Never had a problem with non ethanol Ultimate just not convenient to get it. Hoping that others have tried this so they can share their experience.
If I am going to be going by the BP station I have no problem stopping by and filling up.
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Old Mar 28, 2024 | 08:34 PM
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I tried octaine booster fron Autozone. It didn't change the way it ran and it put a rust colored coating on the sparkplugs. Never tried it again. Maybe different brands work better.
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Old Mar 28, 2024 | 08:49 PM
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Originally Posted by RWDsmoke
I tried octaine booster fron Autozone. It didn't change the way it ran and it put a rust colored coating on the sparkplugs. Never tried it again. Maybe different brands work better.
I was afraid of this after reading that there is an additive that will cause this. I will just go for a ride to top off lol.
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Old Mar 29, 2024 | 08:10 AM
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I run Klotz synthetic octane booster. I mix 1 gallon of 93 non ethanol with 1 oz of Klotz so that puts the octane # at 95 ish. 1 oz adds 2.5 #s. My engine loves it. 1 gallon has lasted me a season and a half. I dont have cats, but says it dosent bother them so i dont know.
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Old Mar 29, 2024 | 09:16 AM
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Originally Posted by FostersPerformance
I run Klotz synthetic octane booster. I mix 1 gallon of 93 non ethanol with 1 oz of Klotz so that puts the octane # at 95 ish. 1 oz adds 2.5 #s. My engine loves it. 1 gallon has lasted me a season and a half. I dont have cats, but says it dosent bother them so i dont know.
Does it put a coating on the spark plugs?
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Old Mar 29, 2024 | 09:19 AM
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Originally Posted by Hawkeye56
Does it put a coating on the spark plugs?
Nope. Nothing at all. And my engine is still a little on the rich side.
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Old Mar 29, 2024 | 09:28 AM
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Originally Posted by FostersPerformance
I run Klotz synthetic octane booster. I mix 1 gallon of 93 non ethanol with 1 oz of Klotz so that puts the octane # at 95 ish. 1 oz adds 2.5 #s. My engine loves it. 1 gallon has lasted me a season and a half. I dont have cats, but says it dosent bother them so i dont know.
Too raise the octane level from 87 to 93 I do not believe it would be cost effective for me to go this route. I do appreciate the information you provided.

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Old Mar 29, 2024 | 02:47 PM
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Why are you afraid of using ethanol premium?
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Old Mar 29, 2024 | 03:32 PM
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Originally Posted by FAUEE
Why are you afraid of using ethanol premium?
I do not have to worry about ethanol premium as we have several stations within a 25- 40 mile radius.
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Hawkeye56
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