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Power Strokes
7.3 Aftermarket
Does Anybody Really Understand Our RPM Limitation?
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[QUOTE="Chris, post: 38234, member: 400"] Im assuming noone is understanding im saying IF you could make the same power with the SAME duration on both the 100 or the 200. Of course the 200 will always be capable of more hp than a 100. But what IF a 100 could make 600 w/ xx ms. And what IF 600 is all someone wanted. I capitalized the IF for a reason. Right now we all know a 100 cant make 600 on fuel only without a retarded amount of timing and duration, but what IF it could. I think Bean understands what im getting at. A common rail motor can make quite a bit more hp than a heui motor by combining short pw and higher pressures to get the same volume of fuel than a lower pressure and a larger nozzle. Dmaxes only run mid 2s for pw, and they make plenty of power on nozzles a lot smaller than a 7.3. Even a 6.0 with 190/100s can surpass 525-550 running 2.5ish ms and a mid 60s mm compressor. A 7.3 would be in the mid to high 400s best case scenario. The point im trying to make is it just ISNT injection pressure, and it isnt JUST the cam, or head flow, or anything. The whole combination makes for us not being able to burn a great percerntage of the fuel injected into the motor. This is why nitrous helps so much. For now we have to run 200 percent or larger nozzles to make big power, but itd be awesome if we didnt. Sure a 200 percent nozzle is very driveable with correct tuning, but there are a few tradeoffs (yes small). [/QUOTE]
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Does Anybody Really Understand Our RPM Limitation?
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