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#1

Posted 15 January 2002 - 09:25 AM

Turbobrick
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Tried Octane Boosters? Review them here!

I've tried 104+ (black bottle one) and took my brick to the track with it. Power gains cannot feel but no detonations/pinging and engine runs smoothly and strongly. Problem was my tranny was overheating first, bummer unsure.gif
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#2

Posted 15 January 2002 - 10:45 AM

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here's some i've tried that do work.

Redex - the price of this REALLY varies , cheapest from some shop in serangoon area.

STP - octane booster about 5 dollars per bottle.

f2-21 - i get it free. the importer is my neighbour. it works. but expensive lah 15 per bottle. however not bad results and no need to add so much.

magdaco mag kreen - works too.

Notra Bene : for me works means fuel consumption improves with all things being equal. i.e. same driving pattern.

seems to me that snake oils mostly don't work. octane boosters, fuel additives usually do the trick + they are about 1/10 the price, on avg of the snake oils. hehe.

anyway for u guys out there that try and try stuff, results sometimes are psychological, some do improve, some become worse etc. so really if u wanna try snake oils the bottom line is : ITS UP TO U :)

#3

Posted 15 January 2002 - 12:16 PM

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Problem was my tranny was overheating first, bummer unsure.gif

Time for you to give KATC a visit liaoz...hee hee!!! tongue.gif

#4

Posted 15 January 2002 - 03:26 PM

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Anyone here tried using toulene or methylbenzene, both organic frm oil derivatives?

Read in other groups tat it blends well with our gas (same hydrocarbon family)
has octane of 114 by itself & by adding 7-8% (2-3 ltrs) into the gas before using RON98 can boost octance of up to 100. Costs only S$2/ltr so not too expensive.

Subaru Australia also replied to the Liberty B4 group that they recognise that but not for other octane boosters to avoid warranty on the RSKs.

Also note most of the octance boosters thingy are actually contains mainly petroluem
distillates (smells like kerosene?).

#5

Posted 15 January 2002 - 03:38 PM

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I need a tranny cooler lah, but no space to fit leh...... unsure.gif
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#6

Posted 15 January 2002 - 03:42 PM

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CK, still persuing the Toulene possibility? U tried it on your B4 yet?

$2/- a litre still more ex than petrol itself.......will adding something like Mexon F2-21 at $3 per tankful be more cost efficient then? Mexon claims to increase octane as well. wink.gif

Too bad we don't have RON100 like Japan at petrol stations.
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#7

Posted 15 January 2002 - 03:58 PM

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Tried redex and STP b4. The effect seem to be marginal only. Cannot really feel the oomph . but one product (octane booster) I tried, can't remember the name, effect is noticeable.
JT

#8

Posted 15 January 2002 - 04:57 PM

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Not yet tried but my fren gas tried on VTi & Golf.

Trying to do this as project but fren in the chemical line
still have not got the toulene for me.
Works well but the problem is storage as this liquid very volatile.

Tried STp & showed better throttle & smoothness but not for power.

Is Mexon good as I am also trying other means to meet the car specs for 100RON.
In Japan got 114RON...waaahh! tongue.gif

Still onto the broquet thingy but cannot bear to x'periment with $420 for testing leh..how lah! blush.gif

#9

Posted 15 January 2002 - 05:12 PM

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Not sure whether Mexon can raise octane by 2 points and difficult to measure octane in the car. Does improve throttle response but increases fuel consumption for the first few applications (they claim due to "cleaning" of engine). I tried a bottle and stopped as it's too troublesome and quite costly. Normal RON98 petrol good enough for my brick. wink.gif
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#10

Posted 15 January 2002 - 05:21 PM

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B4, the Broquet thing very expensive and hard to justify cost lah. Last time installed on my Bimmer, no difference leh.

From our beer talk last time, I remembered your toulene formula. Just worried about melting spark plugs or injectors... Have you tried on your Black Beast yet?

Rgds

#11

Posted 15 January 2002 - 05:41 PM

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Errrrh.....which beer talk was tat or r we mumbling by intoxicating effect, kekekeke crazy.gif

The feedback I got was it gets a bit more difficult esp for cold starts but after tat no problem leh. With 7-8% shud be no problem, unless you wanna to add 50% into yr tank then kena melt down everything! tongue.gif

See my posting at SSC on some tech write-up by others, see below for those int. :-

Now to answer your questions regarding the use of octane boosting additives: -

Advice from the manufacturer of Subaru Vehicles concerning octane boosting additives is as follows: -

· There are only three methods of increasing the octane rating of commercially available fuel know to our engineers and they are: -

Ø Manganese or Lead
Ø Methanol
Ø Toluene or Methyl Benzene

· Manganese or lead will result in spark plug, catalyst and or Oxygen sensor failure. Subaru has tested several brands of ‘octane boosters’ and all have been found to contain either manganese or lead as the octane-boosting agent and therefore they are not recommended.

· Methanol requires large quantities to raise the octane rating (up to 50%). It is very toxic substance that requires handling with great care. Large concentrations will also damage fuel system components normally designed for petrol use only. The use of Methanol is therefore not recommended.

· Toluene or Methyl Benzene has an approximate RON of 120 and therefore approximately 10% by volume is require to raise the octane rating from 92 RON to 95 RON or from 95RON to 98 RON. Toluene is considered by Subaru engineers to be the only acceptable method of increasing octane ratings of commercially available petrol. They have warned however that no more than 10% by volume should be used and that cold start performance may be effected.

· Handling, storage and or cartage of toluene must comply with regulatory and manufacturers requirements. Subaru does not recommend that customers carry or transport toluene in the boot of their car for use when the required minimum octane fuel is not available."

See url :- http://www.dsm.org/archives/1996/04/19960425.txt/8.html
http://www.gnttype.o...anebooster.html
http://home.kscable....ne/toluene.html




Thot you brothers may be interested to read this further abt toulene
as octance booster. So far anyone tried this?
Octane ratings can be very easily calculated by simple averaging. For example, the tank of an Audi A4 1.8TQ is 15.6 gallons. Filling it with 14.6 gallons of 92 octane and 1 gallon of toluene (114 octane) will yield a fuel mix of:
(14.6 * 92) + (1 * 114) / 15.6 = 93.4

The Audi A4 1.8T is a good example of a car that has very high octane needs if it has been modified to produce more turbo boost. The base compression ratio of this car is a very high 9.5:1 and when an additional 1 bar (14.7 psi) of turbo boost is applied on top of it, the resulting effective compression ratio is way beyond what 92 or 93 octane fuel can ever hope to cope with. Most modified 1.8Ts running without octane enhancement are running with severely retarded ignition timing and boost.

See more url :-

http://www.dsm.org/archives/1996/04/19960425.txt/8.html

http://home.kscable....ne/toluene.html

http://www.gnttype.o...anebooster.html


#12

Posted 15 January 2002 - 05:45 PM

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Beer talk at Rail Mall lah.... cool.gif

#13

Posted 15 January 2002 - 06:10 PM

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I noe just kidding lah.
Too bad not much happening there so we just tok rots, hehehe.

Next time we pick another location, OK with 850R too?

#14

Posted 15 January 2002 - 07:02 PM

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Turf City has a small pub there also. wink.gif Free parking too.

Rgds

#15

Posted 15 January 2002 - 08:33 PM

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Turf City? Sounds interesting, good drinking place and for chats? I'll start a drinking thread in lite and EZ wink.gif
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#16

Posted 15 January 2002 - 08:55 PM

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Ain't XO or Platinum enough octane booster oredi ?
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#17

Posted 15 January 2002 - 08:57 PM

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XO, Platinum and "designer" fuels are still RON98 with additional additives instead. wink.gif
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#18

Posted 24 January 2002 - 02:59 PM

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Need it for mine as cannot find many places here got RON 100 tat my Japan Domestic Model needs so have to use tat lor!

#19

Posted 24 January 2002 - 06:35 PM

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Hi Guys,

Can anyone advise me on where to get the stuff like Methyl Benzene...... I'm actually wanted to test it out. Read quite alot of this so call "octane booster". tongue.gif

#20

Posted 24 January 2002 - 07:55 PM

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Sino Chemical? They deal with all sorts of chemicals and alcohols but may require large quantity purchases.

Check yellow pages for contact. wink.gif
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