Auto Help Questions - Car Craft Magazine
That brings us back around to your question. An obvious answer might seem to be the injection of pure oxygen, since that is, after all, what we're trying to accomplish with all of the previously mentioned methods of improving power output. Oxygen enables combustion, but introducing pure oxygen to the air/fuel mix would make that combustion much more difficult to control. Nitrous oxide, on the other hand, requires the heat of combustion to separate its molecules, which means that the pure oxygen molecules we're looking for aren't released until we actually need them. Of course, this additional oxygen requires additional fuel to maintain the desired air/fuel ratio, and all nitrous systems have some means of accomplishing this, either by adding fuel with additional feed lines and spray nozzles, or, in the case of some EFI systems, by increasing fuel pressure in the engine's fuel rails, which causes more fuel to be delivered with each pulse of the factory injectors. If you're looking to inject more horsepower, look into nitrous oxide and leave the pure oxygen to the medical professionals.
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