Efi For Any Guy Dyno Results Graph
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Here’s the before and after chassis dyno runs from an EFI swap we performed previously on a near stock 351W. The before run was with a perfectly tuned Holley 650HP double pumper (blue line), the after run was with Professional Products’ Powerjection system (red line). The graph shows a near perfect overlay with the Powerjection picking up a little torque below 4250rpm and the Holley squeaking out a little more horsepower above 4750rpm. In the mid range, it was essentially a wash. View Related Article
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