James thanks for the great information, where can you purchase this octane tester?
I can not test fuel with lead, 100LL and some race fuels can not be tested for this reason with this machine. Calibration is always and issues, to be sure I'm correct I have a stack of bibles, my fingers crossed and plenty of beer for emergencies.
This machine has a self calibration cycle and to be sure it is sent back to the lab each year for calibration assurance.
As an example the booster "104 Octane" is in fact 104 octane, put that 1 pint bottle of 104 octane booster into a gallon of 89 octane gas and and you will have a blend of the two corrected for volume.
A great additive to increase octane is water, down side is that it does not burn so well.
I missed you post baja27, I'll get the company info, this little gadget is about $ 12,000.00
Maybe order yourself some isooctane from the local lab supply place. Should read 100 and you could do your own calibrations anytime you want.
I will dig up the manufactuer of the machine, I believe the cost was $ 12,000.00 or so.
Rumor mill was very strong leading me to believe that Ethanol made gas go bad and the result was reduced Octane. I had several engine failures, so rather than buy more engines I tested fuel.
The only guys that really care about Octane are the aircraft and boat owners, a car on the track with 14:1 is already buy fuel, and he is only buring 20 gallons so cost and availibility is not an issue. FAA has very few rules regarding the age of gasoline, of course purge and check for water before climbing in.
I was so sure someone was trying to screw me selling me "bad" gas that I purchased this machine. Fact is that I have yet to find any gas that is less than advertized Octane. I have gone to some gas stations where a second person has to watch your back while fueling, and still the fuel is as advertized.
I have looked for and found old lawn mowers, gas smells foul, but the octane is 87 +, of course I do not know what or when the fuel was put in the tank, nor to I believe that any equipment would run with this old gas, but the octane is ok.
To get a good pump test I pre-purge the fuel line, pump 4 gallons through the pump into the car, then fill a 1 gallon container for testing to help insure I'm getting the gas paid for and not fuel left in the line from the previous use.
Lessons learned -
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