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Message: [QUOTE="Hotrodtractor, post: 598356, member: 25"] Well - we are talking about what is keeping us from using high RPMs in a 7.3 and you eluded to the IDM being able to do more if it was "unlocked" somehow to release its full potential. I'm just answering the question you asked about the end of the injection event as well as expounding upon the implications of using that. I used a 70% DC for the FDCS - but the truth of the matter is there needs to be some finite amount of time "off" before it turns back "on" so the IDM can recognize the end of one injection event and the beginning of the next - otherwise it gets confused and starts popping and cracking. Watch this video and listen to the truck - you can hear instances where the **** is confused momentarily: [youtube]CuQngjmjzAI[/youtube] I can promise you that the close you push the edge of the ability for the FDCS signal to be generated and interpreted - the more issues you will have - and for any given RPM - the FDCS signal is MORE than capable of giving a good clean power producing injection event well within the confines of an acceptable SOI and duration. [/QUOTE]

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