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Old 31-03-2016, 11:57 PM
Richard L Richard L is offline
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Join Date: Oct 2003
Location: England
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Default Re: Looking to buy an HFS-4, Question on configuration?

The 2.5x pre-scaler is for scaling up the duty cycle % of a direct injection engine. The MS3 maximum duty cycle is 30-33% at. This is because fuel is only injected when the inlet valve is shut, duration of spray is limited.
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