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Message: [QUOTE="mikeeg02, post: 1399147, member: 24194"] I agree with all of the above, I guess when I read your initial description in the OP, it comes off as part of the combustion is used for torque, part of it as horsepower, and the nozzle has everything to do with that. Hence why it didn't make sense to me in what you were saying. Yes the fuel/time is what we run out of to inject our fuel and make our HP at higher RPM, which is ultimately what makes us desire the larger nozzles, and help keep our rods in the block, and effectively reduce unnecessary "low end" torque. I agree on using the smallest nozzle to give you enough time to inject the amount of fuel to make the power you want (and at the RPM you want). (Though that's not how I ended up with my nozzles) And that is ultimately what I was getting at. I haven't tuned, so I do not know how precise the injector pulse width can be. (I would imagine the limit to be in the armature of the solenoid, but it could also be the resolution of the PCM/IDM and what controls the injector itself too) But it would seem to me you would skew the ICP up and the pulse width down to keep IP as high as possible and retain as much atomization as possible. But maybe the injector pulse width doesnt have enough resolution to achieve that clean and smoothly. Having said that, I believe Charles has tuned is big set of 200% nozzled injectors not to smoke, and to pull really well and still on his stock transmission. Which should say something, though I am unsure of his fuel MPG which would correlate to efficiency. [/QUOTE]

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