Opinions on best octane booster in a bottle?

1down5up
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1down5up
Primarily for a 2 stroke non power valve motor. would be mixed with 87 octane non-ethanol pump gas.Some reading so far states some boosters are not recommended for 2 strokes?So im asking vital what they use in their 2 strokers in this case.
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debun
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debun 6/23/2020 10:31am
6/23/2020 10:31am
Hard to quantify which one is the best but I've used the VP and Maxima ones with no issue.
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WhatsStoppingU 6/23/2020 10:42am
6/23/2020 10:42am
Find out what Geico Honda is using and go with that. If you didn’t know, that’s the team that the LAWRENCE BROTHERS ride for....
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TeamGreen
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TeamGreen 6/23/2020 10:45am
6/23/2020 10:45am
VP's Octanium has worked in my old 1979 CR250. Tried it just for kicks and was VERY surprised. Used it with Pump 91 (15% Ethanol...yech!) & it worked really well.

Good Luck!

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454supersport 6/23/2020 12:49pm
6/23/2020 12:49pm
Boostane gets good reviews on the car side of things, so I started using it a few months ago. I have ethanol-free 87 down the road from me, so I throw some Boostane in to mix it up to 93, so I don’t have to deal with ethanol. It has worked fine so far on my ‘13 250XC w/SX head. I use the Professional. It takes .43oz per gallon to turn 87 into 93. It’s about $30 for 32oz.
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SKIDLID
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SKIDLID 6/23/2020 1:36pm
6/23/2020 1:36pm
454supersport wrote:
Boostane gets good reviews on the car side of things, so I started using it a few months ago. I have ethanol-free 87 down the road...
Boostane gets good reviews on the car side of things, so I started using it a few months ago. I have ethanol-free 87 down the road from me, so I throw some Boostane in to mix it up to 93, so I don’t have to deal with ethanol. It has worked fine so far on my ‘13 250XC w/SX head. I use the Professional. It takes .43oz per gallon to turn 87 into 93. It’s about $30 for 32oz.
I also use Boostane
bigk218
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bigk218 6/23/2020 3:15pm
6/23/2020 3:15pm
Ask star what they were using up until the last race.
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WhatsStoppingU 6/23/2020 5:50pm
6/23/2020 5:50pm Edited Date/Time 6/23/2020 5:52pm
Go to your local paint shop or hardware store and grab a jug of toluene and a jug of xylene and save some $. Toluene is around 114 octane and xylene about 117. Used in equal portions is about 115.5 octane. 1:1 ratio with 87 pump fuel would give you about 101 octane.

The toluene/xylene combo is thought to work better than using one or the other.
1down5up
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1down5up 6/23/2020 7:01pm
6/23/2020 7:01pm
WhatsStoppingU wrote:
Go to your local paint shop or hardware store and grab a jug of toluene and a jug of xylene and save some $. Toluene is...
Go to your local paint shop or hardware store and grab a jug of toluene and a jug of xylene and save some $. Toluene is around 114 octane and xylene about 117. Used in equal portions is about 115.5 octane. 1:1 ratio with 87 pump fuel would give you about 101 octane.

The toluene/xylene combo is thought to work better than using one or the other.
have you tried that diy mix?
WhatsStoppingU 6/23/2020 7:05pm
6/23/2020 7:05pm
1down5up wrote:
have you tried that diy mix?
Yes but not in a two-stroke. I always used pump/100LL or straight 100LL depending on the particular engine.
Tuna
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Tuna 6/25/2020 4:18am
6/25/2020 4:18am
I always used Torco with my YZ250.
Most of the octane boosters really don’t do much. Torco actually works.

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