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Message: [QUOTE="superpsd, post: 1528622, member: 15821"] Tuning is the hard part. A smaller nozzle is more forgiving to so so tuning. I can reduce EGTs and power curve on my 7.3 by just adjusting timing and leaving all else in a tune alone. I still want to see tests done side by side apple for apple. Same truck same tuner same turbo same say 100% nozzles first on an 225cc A code then a 200cc hybrid. A larger nozzle works better on a hybrid then a A code that has been covered time and time again. The hybrid moves more fuel in X amount of time on the benches. This would indicate the hybrid will have a higher pressure at the nozzle. And there have been thread after thread of egt problems with larger A codes with larger nozzles where the owner swapped for hybrids and the egt problem was gone. Still no one has put a few combonations under a high speed camera to watch how the spray pattern actually looks under different pressures. That would be interesting. [/QUOTE]

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