What think ye, Oh Guru's?

• The BoosterPlug concept have proven extremely efficient, and look-a-like copies are arriving on the market. (We are actually a little flattered about this)
• The exact internal setup of the copies is mostly unknown to us, but you should know that a poor construction is a potential danger to your engine.
• It’s difficult to tell how much knowledge there is behind all the fancy words, so you must be confident that the solution you buy is made by people who know what they are doing.
• The slick sales talk to promote these devices is all the same, but most people prefer to make their choice from facts and knowledge. So we have compared the different "solutions" you will find out there. This page is probably the only available source of this overview.

• This will result in a very, very rich mixture on a hot day.
• In temperatures below the fixed point, your bike will actually run leaner than stock - This could harm your engine!!
• To avoid legal complications, we'll not provide the name of the product in public, but feel free to ask us by mail.
• You really should avoid products of this type. Stay away !!!

• The enrichment of the mixture will vary a lot with temperature.
• If the resistor value is properly calculated, it's not likely to harm your engine or Catalytic Converter, but you don't really know.
• Having an adjustable resistor (potentiometer) is NOT a solution, because you would have to adjust it every time the ambient temperature changes. Moreover, you are blind to the correct settings.

• The extra sensor must be able to measure the approximate same temperature as the AIT sensor in the air-box to work correctly.
• It should be located somewhere where it is not affected by engine heat and where it will receive a reasonable amount of airflow.
• If the sensor is included in the module, it will sit under a shield with no air flow around it, and the temperature can be +20 degrees celsius higher than ambient temperature, because the engine will heat up the area. That's not very useful.
• The BoosterPlug is the only resistor Tuning device to offer real Temperature Compensation

• Green line shows the fixed resistor method
  - Very poor performance due to the large variation in fuel enrichment
  - The only "solution" that can actually make your bike run leaner than stock
• Red line is for the set-up where you have a fixed resistor in serial with the original AIT sensor (The typical DIY approach)
  - You will still have a lot of variation in enrichment with changes in ambient temperature
  - If you only ride your bike when the temperature is say 15-25 degrees, and you chose the resistor value correctly, you can have "OK" results with this method - not excellent, but probably an improvement if you stay in the same temperatures.
• Yellow line is what happens if you have temperature compensation with a second NTC sensor located in an area where it's affected by engine heat.
  - For the calculation, I assumed that the second NTC would measure + 20 degrees Celsius over the AIT sensor measurement. The line will move up or down if the temperature span is something else.
  - It's obvious that this set-up will lower its performance when the twin temperature measurements are not
  equal - the higher the temperature difference, the lower the performance.
  - Even with very large differences in the temperature measurements, the line will not drop below zero %, so
  it will not harm your engine, but the benefits are long gone
• Blue line is the BoosterPlug Performance
  - You'll see the line tends to trail off a little at extreme temperatures, but in the temperature range where you would actually consider to ride your bike the BoosterPlug will deliver a steady performance
  
  
  
  

• The BoosterPlug sensor is a tiny 6mm diameter stainless steel sensor that will sense changes in ambient temperatures almost immediately. The weight of the sensor is only 2,4 grams.
• The copy product has a 9mm diameter brass sensor with a weight of just over 5 grams.

Idaho Red Rocket 3 said:

That was an early attempt at boosting performance. There have been many more advancements since then. I recommend the Dobeck Performance AFR Plus. Call Dillon and tell him Bill sent you.

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