Welcome. I think that you will find that your level adjustment (left wheel) is too high (too far forward). That would give you the grabbing feeling upon pedal application. The manual slider then wouldn't work as well as needed with the gain set so low on the right wheel.
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2017 Jay Feather 7 22BHM Baja/Andersen WD
2018 F150 4x4 3.5L Ecoboost Max Tow
2015 MB Sprinter 2500 Passenger 2.1L Diesel
2007 Ram 2500 4x4 Cummins 5.9L G56
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