Rotrex C38-91 utilises a billot compressor wheel. They claim 10% more flow than the -81. We shall see......... |
The compressor housing. Similar inducer size, with a larger internal volume on the oulet
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 88x99mm motor, ERL darton sleeves, CP pistons, cunningham rods, CNC ported head with 1mm+ inlet valves and IRL valve springs. |
