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Hi, I didnt understand some aspects of the lesson.
How do I know I need more flow from my injectors therefore more fuel pressure? Based in your experiences?
Let´s take as example an AEM fuel pump of 400 Litres per hour = 880 LB/HR
High Boost GDI injectors and Port Injection.
Im a newbie in this.
If someone can share worked examples I would appreciate it very much
When the duty cycle becomes too large (typically 85-90% for port injectors, because they need some time to cool their coils). For direct injection, it would be when you can't deliver the required fuel in the time you have (same issue really). Then you need larger injectors, or more flow with a higher pressure. Sometimes increased fuel pressure can get you a bit more margin, but usually a change in injectors is required.
