Quote:
Originally Posted by eagleuh1
Do you know if the 8000 rpm tach kits will work with a 2005 5.3. I can change the settings in the PCM if need be with HP tuners. Still haven't started on the speedo mod yet. Still working too many hours. Thanks. Jim
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They should, it's just a tach after all. You will need to change the tach resolution in the tune from 6 to 3 to double the output since LS engines are set from the factory on 4 cylinder mode.