Printing with 2-in-1 hothead

[ncc2707 0]

I have used two different versions of Cura (4.6 and 4.8) and I come up with the same odd numbers at Tool change for the extruder. The first Tool change, I get "G1 F2100 E-6.5". On the second Tool change I get "G1 F1800 E43.5". It doesn't matter what I put in the Starting Code Box. How can I set a fixed Prime Feed for my second extruder?

[GregValiant 1,330]

Here is a little light reading on the subject on GitHub.  I think the setting you're looking for is under

Dual Extrusion | Nozzle Switch retraction distances.