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#11 |
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AudiWorld Expert
Account #: 15888
Join Date: Feb 2001
Posts: 25,395
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![]() there is my gallon on the right . . .
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__________________________________________________ _______ *** RIP MATT AMMON. YOU WILL BE MISSED *** |
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#12 |
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Super Moderator
Account #: 623
Join Date: Mar 2000
Posts: 13,275
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assume a 16 gallon tank.
14 gallons of 91 2 gallons of 114 Gives you... ((14*91)+(2*114)) / 16 = 93.875 octane :-) -T
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#13 |
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Super Moderator
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#14 |
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AudiWorld Expert
Account #: 15888
Join Date: Feb 2001
Posts: 25,395
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__________________________________________________ _______ *** RIP MATT AMMON. YOU WILL BE MISSED *** |
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#15 |
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AudiWorld Senior Member
Account #: 4909
Join Date: May 2000
Posts: 4,234
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Ted K 2008 Touareg 2, V8, Campanella/Anthracite, Lux Plus, Tech, Air Suspension, Llumar 35% Tint, Harman/Kardon Drive & Play 2, Parrot CK3100, Valentine 1, Cayenne winter mats - His 2009 Tiguan SE, 2.0T, Black/Black, Panaramic Roof, 18" Wheels, ipod Adapter, Trailer Hitch, Monster Mats - Hers |
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#16 |
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Junior Member
Account #: 15283
Join Date: Jan 2001
Posts: 2,310
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I would not recommend running it in the winter months as it settles at the bottom of your tank and you may have difficulties starting the car.
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#18 |
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Member
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#19 |
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New Member
Account #: 9264
Join Date: Aug 2000
Posts: 126
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Got this from Vettnet.
Hope this helps. Cheers. Chris By Ken Mosher submitted by Eric Webb some data about the Sunoco CAM2 fuels from their literature: SUNOCO "Standard" Color......................Purple Research Octane.........115 Motor Octane..............107 R+M/2 ......................111 Specific Gravity........0.725 Reid Vapor Pressure..... 8# -- Distallation temp, degrees F -- Initial............90 10%............160 50%............220 Final...........360 SUNOCO "GT Unleaded" Color......................Natural Research Octane.........105 Motor Octane..............95 R+M/2 ......................100 Specific Gravity........0.760 Reid Vapor Pressure..... 8# -- Distallation temp, degrees F -- Initial............90 10%............150 50%............210 Final...........230 SUNOCO "Supreme" Color......................Blue Research Octane.........116 Motor Octane..............109 R+M/2 ......................112 Specific Gravity........0.715 Reid Vapor Pressure..... 8# -- Distallation temp, degrees F -- Initial............90 10%............155 50%............215 Final...........260 SUNOCO "Maximal" Color......................Red Research Octane.........118 Motor Octane..............115 R+M/2 ......................117 Specific Gravity........0.700 Reid Vapor Pressure..... 6# -- Distallation temp, degrees F -- Initial............100 10%............150 50%............220 Final...........240 And from Rich Lassitter's article in the GS Xtra ... how to mix your own brew: Formula #1 - Toulene ============================= R+M/2.........114 Cost...........$2.50/gal Mixtures with 92 Octane Premium -------------------------------- 10%...........94.2 Octane 20%...........96.4 Octane 30%...........98.6 Octane Notes: Common ingredient in Octane Boosters in a can. 12-16 ounces will only raise octane 2-3 *points*, i.e. from 92 to 92.3. Often costs $3-5 for 12-16 ounces, when it can be purchased for less than $3/gal at chemical supply houses or paint stores. Formula #2 - Xylene ============================= R+M/2.........117 Cost...........$2.75/gal Mixtures with 92 Octane Premium -------------------------------- 10%...........94.5 Octane 20%...........97.0 Octane 30%...........99.5 Octane Notes: Similar to Toulene. 12-16 ounces will only raise octane 2-3 *points*, i.e. from 92 to 92.3. Usually mixed with Toulene and advertised as *race formula*. Formula #3 - Methyl-tertiary-butyl-ether (MTBE) ============================= R+M/2.........118 Cost...........$3.50/gal Mixtures with 92 Octane Premium -------------------------------- 10%...........94.6 Octane 20%...........97.2 Octane 30%...........99.8 Octane Notes: Oxygenate. Very common in octane booster products. Has lower BTU content than toulene or xylene, but oxygenate effect makes the gasoline burn better and produce more energy. Formula #4 - Methanol or Ethanol ============================= R+M/2.........101 Cost...........$0.60 - $1.75/gal Mixtures with 92 Octane Premium -------------------------------- 10%...........94.3 Octane (Methanol) 10%...........94.7 Octane (Ethanol) 20%...........Not Recommended Notes: Methanol is wood alcohol. Ethanol is grain alcohol and found in Gasohol in 10% ratios. Both alcohols are mildly corrosive and will eat gas tank linings, rubber and aluminum if used in excessive ratios. Main ingredient in "Gas Dryers", combine with water. Formula #5 - Isopropyl Alcohol and Tertiary Butyl Alcohol ============================= R+M/2.........101 Cost...........$0.60-$1.50/gal Mixtures with 92 Octane Premium -------------------------------- 10%...........94.5 Octane 20%...........Not Recommended 30%...........Not Recommended Notes: Similar to Methanol/Ethanol. Isopropyl Alcohol is simply rubbing alcohol. 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. Color can be added with petroleum dyes. I'll only add one comment regarding using methanol. In a word, don't. It attacks zinc and magnesium very rapidly. Guess what is in carburators and other fuel system parts.
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Chris SilverS4 '01 - Silver/ Onyx 6sp GIAC-X, H&R/Bilstein, Tanoga SS. |
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