"You will need to alter the Feeder Case to be usable with the filament path changed by 0.5mm, due to the new effective Diameter of 7mm. Also due to that you will need to change the new filament diameter to 2.68 to work with the new effective diameter aswell as set Retraction Speed and length bigger. Everything in a Ratio of 1.14:1"
I'm new to printing what do you mean ratio changes 1.14:1 for retraction speed and length