Blueish. Daimlers burn very rich though and burn low grade fuel, 87% octane. Would they still burn that now? They had much lower compression ratios than merlins but they were made that way because the Germans didn't have access to the good fuels that the allies had. Lower compression engines run well...better one low grade fuels than they do on high grade fuels. It's probably why they had such a bigger displacement than Merlins 27 I think and 34 liters. Bigger displacement to get the power.
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