[Muas]

(...) just missing the second stage turbo for high alt usually I hit second stage at 7k feet... and cant lowere fuel mix from 120 mix to 100

Both Sea Hurricanes behave exactly like the Hurricanes MkIb and MkIIc, from which they were modded here and in real life.

Only te MkIIc has a 2 stage supercharger; mixture ajustement is from 100% to 120% on both.

These features work perfectly well on both Sea Hurricanes.