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2003 chevy trailblazer_lt
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they be talking the injector pressure. the higher the pressure the more amount of fuel injected into the cylinder in the same amount of time. i do not see why they you would have to upgrade to higher pressure injectors as our engines are not high compression, 500+ hp engines. maxing out an injector is bad this means it is "static" when this happens it means injector is too small for the needs of the engine. the biggest the duty cycle should be is 80%
 
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