Forced Induction Discussion of turbos , superchargers , and nitrous upgrades on the G35

Going on a road trip, Only 91 oct Available.

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Old Jul 4, 2012 | 01:40 PM
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Going on a road trip, Only 91 oct Available.

I am leaving on Monday to go out east for a few weeks to enjoy myself, I am taking the G.

So, herein lies the problem, once I hit New Brunswick, I will ONLY have access to 91 Oct Gas.

My Uprev tune on my Single Turbo Momentum is for 94.

Touelene is readily available across canada. Can I mix this with 91 to create a Safe 94?
http://www.elektro.com/~audi/audi/toluene.html

I cant go 2 weeks driving my car without going WOT lol, Its out of the question. LOL
 
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Old Jul 4, 2012 | 04:53 PM
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It will raise the octane rating but i dont know what the proper mix would be.
 
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Old Jul 4, 2012 | 05:26 PM
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look into this subie and evo guys swear buy this stuff if race gas is not available.

http://www.google.com/url?sa=t&rct=j...P5gHBw&cad=rja
 
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Old Jul 4, 2012 | 07:27 PM
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You'll be fine with 91 octane, just stay out of hard boost. That 35R shouldn't spool that quick so it won't be hard to drive without boosting all over if the drivers up to the challenge
 
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Old Jul 5, 2012 | 01:28 PM
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Originally Posted by seymore4
You'll be fine with 91 octane, just stay out of hard boost. That 35R shouldn't spool that quick so it won't be hard to drive without boosting all over if the drivers up to the challenge
Yes, I know its not hard to drive out of boost, but if I cant drive hard, then Ill just rent a camry or something. haha
 
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Old Jul 5, 2012 | 01:41 PM
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You ever get those issues ironed out?
 
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Old Jul 5, 2012 | 02:11 PM
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No, Ive been driving my Lambo or my SL65 lately.
 
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Old Jul 5, 2012 | 04:07 PM
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why doesnt your knock sensor work? the stock ecu will pull timing if it knocks. you will know if you are pinging as well.

just run wastegate pressure and you will have no issues.
 
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Old Jul 5, 2012 | 04:32 PM
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Found this with a google search

How much toluene should I use per tank of gasoline?

A 5 or 10% increase in the aromatic content of gas will most likely be well within the refining specifications of gasoline defined by ASTM D4814, which specifies an aromatic content of between 20% and 45%. What this means is that if the 92 octane gas that you started off with had an aromatic content of say 30% and you increased it by 10% to 40% you would still be left with a mix that meets the industry definition of gasoline.

Because toluene is such an effective anti knock fuel it also means that it is more difficult to ignite at low temperatures. The Formula 1 cars that ran on 84% toluene needed to have hot radiator air diverted to heat its fuel tank to 70C to assist its vaporization. Thus too strong a concentration of toluene will lead to poor cold start and running characteristics. It’s recommended that the concentration of toluene used not to exceed 30% or what the engine is capable of utilizing. i.e. Experiment with small increases in concentration until you can no longer detect an improvement.


Octane ratings can be very easily calculated by simple averaging

Toluene has octane rating of 114. So use this formula to figure what octane you get when u mix toluene with gasoline:

Litres of gasoline x Octane (eg.95 or 98) + (Litres of toluene x 114)
Total Litres of Gasoline & Toluene


example

The fuel tank capacity of an EVO 8MR is 55 litres. Based on a 30% toluene mixture, filling it with
16.5 litres of toluene and 38.5 litres of 98-octane gasoline will yield a fuel mix of:

(38.5 litres x 98) + (16.5 litres x 114)
55 litres
= 102.8 octane

Notes: Common ingredient in Octane Boosters in a 12-16 ounces bottle will only raise octane by 0.2 - 0.3, i.e. from 98 to 98.3 octane.


MAKE YOUR OWN OCTANE BOOSTER

To make your own octane booster, it is easiest to make up a large batch, and then bottle it up in "dosage-size" uses. Below 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 toluene for octane boost

25 oz of mineral spirits (cleaning agent)

3 oz of transmission fluid (lubricating agent)

The above formula is an "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. Color can be added with petroleum dyes.

http://www.best-chemical.com/racing.htm
 
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Old Jul 6, 2012 | 01:06 AM
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This is the reason I am tuned on 91....i can always easily find it
 
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Old Jul 6, 2012 | 11:24 AM
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Originally Posted by ReStylin
Yes, I know its not hard to drive out of boost, but if I cant drive hard, then Ill just rent a camry or something. haha


so rent the camry. problem solved.
 
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Old Jul 6, 2012 | 01:09 PM
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Nah, Ive decided to take the Gallardo.

 
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Old Jul 7, 2012 | 02:22 PM
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seriously..
 
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Old Jul 7, 2012 | 02:46 PM
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Ya, or the SLK 55 AMG
 
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Old Jul 7, 2012 | 03:23 PM
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That Gallardo looks stock, if so please lean forward so I can smack you
 
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