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Message: [QUOTE="Gearhead, post: 572140, member: 503"] I want to interject something about the 200% nozzles from my experience. Heavier trucks with bigger tires won't notice this issue because they are always at enough engine load to mask the problem. Low demand fueling is the hardest part to get right so picture this...... For a visual representation, think of the engine needing a teaspoon of fuel at light loads and highway cruise. Since the injectors have 200% more flow than stock nozzles the minimum they can reliably deliver is a tablespoon. This causes the truck to not fire on all cylinders under light load and have a notchy pedal and what feels like a slight miss or roughness. There is a way to fix this - drop the ICP a bit- but guess what, now you've lost atomization and you have a constant light haze rolling down the road. I will admit that 200% do run cooler under heavy demand because they do indeed deliver fuel faster, but if that's not where your truck spends most of its time I would advocate a smaller nozzle. The 100% nozzle needs to go away because it is simply an 80% nozzle with more extrude hone work. We need an in-between nozzle that starts with a hole size right in between the 80% and 200% nozzles and gets a light polish with extrude hone just like the 80% and 200% instead of what we currently have and call 100% [/QUOTE]

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