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With many pre-programmed configurations already onboard the system, most of the setup is a point-and-click configuration, as long as the user knows the parts and pieces used in the build. In the interest of simplifying the setup process for a new user, AEM’s engineers have worked hard to make the system as flexible and easy-to-use as possible, and Holliday concurs. This will speed up your tuning time and lead to a host of other advantages.” Once you set the VE table, you can forget about having to make fuel corrections. So you can see how using an engine management system that bases its calculations on VE can be a benefit to the tuner.Īccording to AEM’s Lawson Mollica, “A VE-based system like the Infinity will automatically determine how much fuel is required at any RPM under any condition. In comparison, a highly modified engine can be 115 percent, and in the case of a turbocharged or supercharged engine can reach much higher figures-nearly 500 percent higher in the case of a Super Stock tractor pulling engine making 200 psi of boost. A good OEM engine reaches volumetric efficiency of around 85 percent.
SRT4 AEM AIR FUEL RATIO GAUGE FULL
Together we picked out five tips to tuning the Infinity, and why he prefers to use it over some of the other systems he sees regularly.Īs defined, Volumetric Efficiency is “the ratio of the mass density of the air/fuel mixture drawn into the cylinder at atmospheric pressure (during the intake stroke) to the mass density of the same volume of air in the intake manifold.” Put simply, volumetric efficiency measures how full the engine’s cylinders are. It also just so happens that one of the premier Infinity tuners in the world for drag racing applications-Eric Holliday of JPC Racing-is a personal friend of mine, so I reached out to him to dig deeper into the subject of engine tuning and why he prefers to use the Infinity system.
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I discovered that the Infinity’s capabilities give it the flexibility to be used in applications from drag racing to road racing, drifting, and beyond. It just so happens that one of these systems-the Infinity Engine Management System-is manufactured by one of our longtime sponsors, AEM Performance Electronics, and a recent online discussion I was watching spurred me to look into the capabilities of the system to satisfy my curiosity. Today’s engine management systems rival the control systems produced by original equipment manufacturers, but also provide the adjustability and customization options needed for serious racing applications. Shop our full collection today to keep your vehicle at top performance.The power of today’s electronic engine management systems is unmatched, with flexibility and performance capabilities that were unheard of until recently. Make sure your car has the proper stoichiometric ratio for optimal functioning by using one of our air fuel ratio gauge kits from AutoMeters.Īt AutoMeter, we make it easy for you to find the perfect AFR gauge kit for your vehicle. In some cases, your sensor can also malfunction and cause the check engine light to go on.ĭon’t risk damaging your engine over a broken gauge. In the case that your narrow band or wideband air fuel ratio does in fact stop working, your engine can be damaged. While it may not be very common for your air fuel ratio gauge to fail, your oxygen sensor may need calibration to give you proper data logging. The difference between these two types is that a wideband air fuel gauge gives you information from the internal combustion chamber while the narrowband uses your car’s factory oxygen sensor to show its air to fuel ratio. There are two air fuel gauge options to choose from: a narrow band and a wideband AFR. The purpose of an AFR gauge is to measure the air to fuel ratio of your engine. Selecting an Air Fuel Ratio Gauge for Your Vehicle Now in both digital and analog gauge styles. With our vast assortment of both narrow band and wideband air fuel gauges to monitor your motor, avoiding expensive repairs has never been easier. Here at AutoMeter, we offer a wide selection of industry-leading Air Fuel ratio gauges to keep your vehicle from running too rich or too lean.