The FW-190A9 with the BMW801TS engine was cleared for a straight manifold pressure increase to 1.78ata @ 2700U/min in the 1st gear supercharger in January 1945 and 1.82ata @ 2700U/min in the second gear supercharger.
The War Technical Diary of the Luftwaffe K.T.B 15/1-21/1 January 1945 clarifies the manifold pressure increase is approved for all engines and does not require Alkohol-Einspritzung or C3-Einspritzung.
The instructions clarify earlier instructions for emergency power increases to the BMW801 series that caused confusion at an Engineering meeting at Bad Eilsen between Focke Wulf, GmbH and BMW.
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