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If you don?t, you?ll be forever chasing electrical gremlins and suffering with a car that just won?t run properly. ? Crucial Tips It?s surprising how often this is overlooked, but it is utterly crucial to make sure that you choose the correct wiring harness and computer designed to work for a specific vehicle application. If you don?t, you?ll be forever chasing electrical gremlins and suffering with a car that just won?t run properly. ? Another aspect when choosing fuel injection is to select the right camshaft. Cams designed for fuel injection applications feature higher lift profiles and wider lobe separation. Because huge amounts of air aren?t required to be drawn down from the top of the manifold, the heads and intakes on EFI engines are designed to promote greater airflow inside the intake runners and ports [url=http://www.officialpackersfootballstore.com/rashan-gary-jersey-cheap]Rashan Gary Jersey[/url] , and the low lift and wide separation on the camshaft allows greater promotion of power and torque. Unless you?re lifting the entire engine and EFI system from the donor vehicle and are not too concerned about individual performance, you?ll want a custom ground camshaft designed to work specifically with your engine and fuel injection system to achieve a balance of good drivability, as well as ample power and torque delivery across the rpm spectrum. ? Calculating Injector Sizes When it comes to fuel injection, figuring out the right size injectors to use is critical, but it is also one of the most misunderstood aspects of EFI. ? In order to determine the size (lbhr or flow rate) required, you need to find out what your engine?s Brake Specific Fuel Consumption (BFSC) actually is. This term refers to its efficiency [url=http://www.officialpackersfootballstore.com/jaire-alexander-jersey-cheap]Jaire Alexander Jersey[/url] , i.e. how much power it makes in relation to the amount of fuel it uses. For most mild-street engines a BFSC of .50 is the accepted rule of thumb. More aggressively modified, but normally-aspirated, engines are rated around .55, while those using power adders, superchargers, turbochargers or nitrous are rated at .65. ? When calculating injector size [url=http://www.officialpackersfootballstore.com/aaron-rodgers-jersey-cheap]Aaron Rodgers Jersey[/url] , there are some general terms that are widely accepted, one being that optimal injector efficiency is around 80 percent. More than that, and the injectors tend to be overworked, causing heat to build up and efficiency to rapidly tail off. ? 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