I've never heard of mud daubers before, interesting little blighters. I don't think we get them in the UK.

I expect Andy G (MOG615) or SpannerJuggler will be along soon to advise properly, but logic tells me that with an increase in bore you will be sucking in a greater volume of air so therefore you are bound to need to increase the fuel to maintain a correct mix at any given setting.

Tim H.
1986 4/4 VVTi Sport, 2002 LR Defender, 2022 Mini Cooper SE