Chevrolet Ls2 Engine Umi Computer
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2. UMI's computer does more than just tell the ignition coils to fire the spark plugs in a timely manner. This computer offers real-time analysis of the engine's ignition timing, which can be viewed via a laptop when connected to the computer. The benefit here is the option of tuning the ignition timing across the entire rpm band in 50-rpm increments. During our dyno-testing, we were able to discover our engine liked more timing in certain rpm ranges and less in others. We were literally able to gain 20 hp over stock, just by playing with the ignition timing. Additionally, UMI's computer includes relays to trigger the electric fuel pump, as well as to turn on and off the electric cooling fans at specific engine operating temperatures. The computer mounts to the rear of the intake manifold in the same area the distributor would go on a traditional small-block Chevy. View Related Article
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