Some results based on the total system weight, tyre size and type, and riding conditions/style for my lightweight e-bike:
Vittoria (front/rear, psi) 38/40
Schwalbe 49/52 (bullshit, a way too high!)
Silca 35.5/37 (too low!)
Wolftooth 37/40
Rene Herse 41/41 (not bad at all!)
Of those figures...