octane boosters

DarkHorse164 · Jan 30, 2004

need suggestions on a tried-n-true octane booster. I just got my computer reflashed and tuned from T&J and need to run 93 octane from now on due to the timing advance. Well, in my infinite wisdom, i filled the car's tank with 87 octane before sending the computer out for the reflash/tune and now have a nearly full tank of 87 octane gas to burn up. So, I need something that will bump the octane closer to 93 until I get the tank down to a half. I can start adding the 93 to the tank then. Any help will be greatly appreciated!

jas142 · Jan 30, 2004

Toulene

Beau · Jan 30, 2004

5 bottles of STP octane booster should get you there

KaPPaBaLL · Jan 30, 2004

just get some octane booster.

DarkHorse164 · Jan 30, 2004

KaPPaBaLL said:
just get some octane booster.

that's the plan. i'm just trying to find a better brand that's lived up to it's claims. that 104+ stuff is crap. it claims about 5 octane points when it's been tested to only give 1-2, tops. then again, that test i saw was over 2 years ago and on a sportbike forum

drizztkun · Jan 30, 2004

NOS as some eheheh

Ricestalker · Jan 30, 2004

Most of the commercial octane booster is just plain old Toulene, they just quadrouple the price and put it in a fancy can.

Read this:
http://www.gnttype.org/techarea/misc/octanebooster.html

MAKE YOUR OWN OCTANE BOOST
How to make your own octane booster (this is the basic formula of one of the popular octane booster products). To make eight 16 ounce bottles (128 oz = 1 gal):

100 oz of toulene for octane boost
25 oz of mineral spirits (cleaning agent)
3 oz of transmission fluid (lubricating agent)

This product is advertised as "octane booster with cleaning agent *and* lubricating agent!". Diesel fuel or kerosene can be substituted for mineral spirits and light turbine oil can be substituted for transmission fluid.

DarkHorse164 · Jan 31, 2004

Ricestalker said:
Most of the commercial octane booster is just plain old Toulene, they just quadrouple the price and put it in a fancy can.

Read this:
http://www.gnttype.org/techarea/misc/octanebooster.html

cool, thanks. seems kinda wierd puttin all that other crap in the gas tank, though. hard to believe it don't screw things up in there

32v svt · Jan 31, 2004

I had a 01 gt with a chip in tried to run 104+ ended up fouling my plugs and left a residue on my 02 sensors.Could have been bad bottle ,but just thought you should know.

highvolts · Jan 31, 2004

My Octane Booster Recipe:

1 Cup flour
1 package yeast
1/2 tsp. banking power
1/2 tsb. baking soda
pinch of salt

Mix Well

ohh Wait.. thats my recipe for bread.. sorry.. it should still work.. just pour it right in the tank.. However, once it starts to raise, you might need a funnel to shove it in there.

I'm Kidding.. Don't anyone do this..(I hope everyone is smarter than that.)

I used OutLaw before in my previous car.. Nice stuff

jas142 · Jan 31, 2004

Ricestalker said:
Most of the commercial octane booster is just plain old Toulene, they just quadrouple the price and put it in a fancy can.

Read this:
http://www.gnttype.org/techarea/misc/octanebooster.html

Thats why I said Toulene (first reply)

And drizztkun: Nitrous would make him run leaner

road rage · Jan 31, 2004

good ole stp

Sam98 · Jan 31, 2004

1990StangLX said:
5 bottles of STP octane booster should get you there

More like 15... It takes a little over 1 gallon of octane to raise the octane level of 20 gallons of 87 octane gasoline to 93. I don't know what the actual octane rating of toluene is, but you are looking at a lot of octane booster to make up the difference.

mnm99 · Jan 31, 2004

Sam98 said:
More like 15... It takes a little over 1 gallon of octane to raise the octane level of 20 gallons of 87 octane gasoline to 93. I don't know what the actual octane rating of toluene is, but you are looking at a lot of octane booster to make up the difference.

Your right. Maybe .5 tenths to a $5 bottle of 105.

I put 1 gallon of Xylene in with 10 gallons and brought that f***** up to around 100 octane. I don't recomment doing this all the time. In the winter the gas is oxygenated so octane ratings will go down to save emissions. I used to do this in the winter once and a while. Worked great.

NOTE>>> DO NOT SPILL ON YOUR PAINT. IT WILL REMOVE IT!!!!!

WOT · Jan 31, 2004

Two words, Toluene or Xylene. Both have an octane rating above 115. So in order to raise a full tank of 91 (all we have here) you would need a 10% mix or about 5L (a little more then a gallon). It is cheap, really cheap, most paint stores sell it for like $2 a gallon or so. A lot cheaper then the comercially available boosters, and it is the same thing.

Both are already present in pump gas. So it shouldn't harm anything. In fact from what I have read some countries have upto 50% toluene mix in the pump gas.

The other alternative is to use some Torco Excellerator. It is a racing fuel concentrate. I has the ability to make sosme really high octane numbers. It is quite a bit more expensive but comes out close to the same in the end. It is a little harder to find though.

Zinc001 · Jan 31, 2004

Another vote for Torco. It's the only stuff that I have tried that actually works.

DarkHorse164 · Jan 31, 2004

Zinc001 said:
Another vote for Torco. It's the only stuff that I have tried that actually works.

cool, thanks for the ideas and info

mnm99 · Jan 31, 2004

WOT said:
Two words, Toluene or Xylene. Both have an octane rating above 115. So in order to raise a full tank of 91 (all we have here) you would need a 10% mix or about 5L (a little more then a gallon). It is cheap, really cheap, most paint stores sell it for like $2 a gallon or so. A lot cheaper then the comercially available boosters, and it is the same thing.

Both are already present in pump gas. So it shouldn't harm anything. In fact from what I have read some countries have upto 50% toluene mix in the pump gas.

The other alternative is to use some Torco Excellerator. It is a racing fuel concentrate. I has the ability to make sosme really high octane numbers. It is quite a bit more expensive but comes out close to the same in the end. It is a little harder to find though.

I don't know where you live ,but Xylene cost like $9.80 a gallon at my Home depot. I knew NY was expensive, but damn $2

Beau · Jan 31, 2004

just put Jet A in it, advance the timing a few degrees and get some hotter plugs.

WOT · Jan 31, 2004

mnm99 said:
I don't know where you live ,but Xylene cost like $9.80 a gallon at my Home depot. I knew NY was expensive, but damn $2

Holy crap!! It is around $9-10 here in Canada too. I would have thought it would be less then half in the US. My mistake I guess. But still a lot cheaper then the bottled crap.

octane boosters

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