Engines are designed to run on commonly available fuels, but as every street racer knows, injecting a little something extra can help performance. (Certain athletes seem to have picked up on this concept, too.) Auxiliary injection systems provide tremendous power gains in a relatively easy-to-install package. What is injected generally falls into one of three categories: coolants, oxygen enhancers, or additional fuel. Here’s how they work. READ MORE ››
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