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Tilikum Turbo's Avatar
 
Join Date: May 2010
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Legitimate Octane boost or gimmicks?

I have had several auto-parts stores try to sell me Octane fuel boost, but non of them seem to provide any tangible data on the can of what it's really doing.

I would think trying to adjust timing for such a product would also be a major crap-shot.

Anyone use a product they would recommend, or is this just snake-oil in a can?

Thanks.
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1983 911 3.3L Turbo(YES, I know the turbo badge is on the right...had to be different!)
1996 Toyota Corolla(der 'clapper')
Old 08-21-2011, 05:46 AM
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Snake oil!
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91 964 turbo
63 SWC Vette Race Car since 1966
69 Vette Race Car since 1971
07 Z06 DD
Old 08-21-2011, 08:41 AM
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Max Sluiter
 
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I think some have some of those nasty fuels F1 turbo cars used to run, but really, if there are molecules in the combustion chamber with low activation energy (low octane) and high activation energy (high octane), then the pressure and heat is going to touch off those low octane molecules no matter what. So octane boosters would need to be inhibitors that would surround the low octane molecules and keep them away from oxygen until the high octane ignition point was reached.
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Old 08-21-2011, 09:50 AM
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Azzurro
 
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I'm not up on Octane Boost but everyone that I know who wnatsna higher octane fuel is running aviation fuel.
Old 08-21-2011, 10:53 AM
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Quote:
Originally Posted by Azzurro View Post
I'm not up on Octane Boost but everyone that I know who wnatsna higher octane fuel is running aviation fuel.
it smells good too.
Old 08-21-2011, 01:12 PM
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Quote:
Originally Posted by Azzurro View Post
I'm not up on Octane Boost but everyone that I know who wnatsna higher octane fuel is running aviation fuel.
Be very careful with this idea. Not the same as 110 at the track. Can burn a valve or piston.
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91 964 turbo
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Old 08-21-2011, 03:01 PM
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Max Sluiter
 
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Don't use Avgas. Use racing fuel please. No lead would be even better.
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1971 chassis, 2.7RS spec MFI engine, suspension mods, lightened

Suspension by Rebel Racing, Serviced by TLG Auto, Brakes by PMB Performance
http://www.flickr.com/photos/max_911_fahrer/
Old 08-21-2011, 05:57 PM
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You might take a look at WMI. Seems to address all the issues you are concerned with. 50/50 mix of water and methanol will drop combustion chamber temps as much as 300*, cleans combustion chambers heads and valves as it works. deters detonation, and makes 97 octane fule react like 110 octane.

No dog in this hunt, but running Wall mart windshield washer fluid at $1.82 a gallon will do wonders and is a hell of a lot cheaper than race gas.

Just a quick photo from when I was installing mine




Cole
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Cole - 80 930 "The Old Sled"
Mods: TurboKraft Custom IC, 934 Headers, GSX 61, Zork, Port Work, SC Cams, Air Mod Fuel Dist Relocated, Water Meth Injection, BL WUR, MSD 6530, Greddy EBC, Synapse Bov, Short 2nd & 3rd with 8:37 R&P, Wevo Shifter, Coupling, and Mounts, MTX-L SSI-4, Big Brakes, Rebel Coilovers, Bilstein Sports.

Last edited by cole930; 08-21-2011 at 06:27 PM..
Old 08-21-2011, 06:25 PM
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When the bottle says it raises 15 gallons 3 points it means it will raise 15 gallons from 91 to 91.3 which isnt enough to even matter. There used to be a morroso octane booster for making race gas it was sold in one gallon or 5 gallon cans and was really expensive. That was i believe the only one that would actually work. But you would have to add a gallon or two to each tank of gas if i remember correctly. Probably better off swapping to EFI and tuning it to E-85. Here in florida we have 93 octane at the pump unlike the 91 out on the left coast. Also plenty of e-85 stations and even places around to buy race gas and av gas.
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88 turbo Guards red Targa slant nose, and yes I am a horsepower junkie, 3.4liter,7.5 to 1 JE pistons, Adjustable WUR, Imagine fuel head, 1 bar waste gate headers,allthe cis toys. Now apart to become the next EFI monster. fabbing my own intake, headers Individual throttle bodies, MS-3, pauter rods, Xtreme twin plugged heads, gt-2 evo cams cop's.
05 Cayenne S lapis blue

Last edited by Ken911; 08-22-2011 at 02:28 PM..
Old 08-22-2011, 02:24 PM
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for a CIS car you can't go wrong with WMI.... EFI, well my vote is for E85, but what do i know
Old 08-22-2011, 03:07 PM
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Old 08-22-2011, 06:06 PM
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Jim's a meth head
Old 08-23-2011, 06:58 AM
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OK Jim I'll bite how much do i need to add to my 20 gallons of 93 octane gas to make 100 octane?
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88 turbo Guards red Targa slant nose, and yes I am a horsepower junkie, 3.4liter,7.5 to 1 JE pistons, Adjustable WUR, Imagine fuel head, 1 bar waste gate headers,allthe cis toys. Now apart to become the next EFI monster. fabbing my own intake, headers Individual throttle bodies, MS-3, pauter rods, Xtreme twin plugged heads, gt-2 evo cams cop's.
05 Cayenne S lapis blue
Old 08-23-2011, 12:26 PM
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Hey Ken, I mix it with water for water injection.
WMI during boost was mentioned above as an anti knock aid kind of like octane booster. I don't put it in the gas tank.

I put that pic up for the fun of it after Coles and Darins WMI posts..
Old 08-23-2011, 01:02 PM
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