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Go Back   REVscene Automotive Forum > Technical Discussion > Advanced Forced Induction & N/A Engine Tuning

Advanced Forced Induction & N/A Engine Tuning This forum is brought to you by Racing Greed in Port Coquitlam.
Supercharger vs Turbocharger vs NA? Hondata vs Megasquirt? 94oct vs 87oct? Through technical discussion, let's find out what will the best option for you...

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Old 06-12-2018, 11:17 AM   #101
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I think Chevron currently sells 92 octane gas? and they have no mention that it contains no ethanol, so I'd assume it's a E10 blend.
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Old 07-31-2018, 11:08 PM   #102
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Last summer I went around filling up 91 at a bunch of stations in Vancouver proper while checking ethanol content. (I have a flex converter kit for my car so I can read over BT or directly from ECU as it's tapped into the lines.). I actually didn't find any that had ethanol in it. I know the sensor works because I also popped down to Costco in Bellingham and their 91 is 10%.

TLDR, anyone know of a station in Vancouver proper that has 91 or higher with Ethanol in it? Better knock resistance for my Evo X.
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Old 02-23-2019, 07:50 PM   #103
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I'm trying to get up to "US 93 octane" for a Unitronic tune.
Anyone run Shell 91 with Lucas or NOS octane booster?
They are supposed to be good for 3.5-4.5 octane numbers in a 10 gal tank.
http://web.archive.org/web/201002140...ers_lucas.html
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Old 02-23-2019, 08:54 PM   #104
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I wouldn’t tune when using octane booster, way too many variables to safely tune to. Octane boosters are better used as safety nets.

I’ve usually run royal purple octane booster. But I mean, without somehow measuring octane numbers it’s all anecdotal
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Old 02-24-2019, 11:49 PM   #105
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I don't think it would be much different than tuning with meth.
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Old 02-25-2019, 08:21 AM   #106
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Good point. I’d say if you’re tuning for it, that means you plan to constantly use it. Find the cheapest one you can that ships in bulk from amazon or something.
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Old 02-25-2019, 08:47 AM   #107
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Is E85 still available? Would it be easier/more effective to run a E85/94 mix?
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Old 02-25-2019, 11:58 AM   #108
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I’ve heard from many sources that flying J on braid street in Coquitlam bought acrades old e85 pump and setup. In the states a lot of pumps give e30/e50 and most tuners offer OTS e30 setups but YMMV. One e85 pimp in the whole lower mainland doesn’t bode well for travel
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Old 02-26-2019, 03:21 PM   #109
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Yah I'm not even sure my car's stock fuel system could handle an e85 only tune even if it was readily available.

The best value octane booster that I've found is the Lucas product that's available at all Lordcos for under $10 per tank -- about equivalent to going from 91-"94" at Chevron.
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Old 02-26-2019, 04:56 PM   #110
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My cobb AP has been showing a lot of knock the past couple weeks. Anyone experiencing the same? I'm thinking the gas is worse than usual.
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Old 02-26-2019, 05:41 PM   #111
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Where do you fill up?

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Old 03-02-2019, 09:30 PM   #112
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Quote:
Originally Posted by NateDogg View Post
The best value octane booster that I've found is the Lucas product that's available at all Lordcos for under $10 per tank -- about equivalent to going from 91-"94" at Chevron.
just to add, those octane boosters bring up by "points", ie. 3 point increase to 94 is 94.3 not 97.
best bang for buck is toluene, xylene or methanol mixture straight in tank with some marvel mystery oil. or meth/water injection for race fuel on demand.

toluene 114
xylene 117
methanol 98
add 100ml of marvel mystery oil to every 4L of booster added

for ex. my 1/4 mile mix was
7L chevron 94
3L xylene 117
100ml oil
=100ish octane
on the street i just ran meth injection

and a nice FAQ for extra reading: Octane
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Old 07-22-2020, 11:26 AM   #113
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I have been using Boostane and it works for me.

https://tougetuning.com/do-octane-bo...roven-results/
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Old 11-27-2020, 11:07 PM   #114
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