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Message: [QUOTE="toybreaker, post: 1545552, member: 16669"] Sorry to revive a 5 year old thread but I started a discussion about this on PSN years ago and never got any answers. My direction of inquiry was for efficiency and MPG. Stock nozzle is 7 hole at .0065" orifice so theoretically dropping the diameter and increasing the number of holes will improve atomization and require less fuel to get the same amount of "work" out of the piston. I.E. Stock nozzle hole area (just at the injector tip, I do not know the column length for the nozzle bore) is .14294" for all 7 holes So 8 holes at .0056" or 9 at .0051" to match the "total area" of the stock nozzle.... Now seeing as these holes are ridiculously close at the tip on the inside of the bore I am sure there is a limit to how many holes can be placed due to them crossing on the inside of the nozzle. Also dealing with these miniscule bores in a hardened material it has to be machined using a sinker EDM, 4 or 5 axis at that. Not a cheap prospect to get done... and without a prospectively profit generating market no one will do any research to see if it is viable. But you could potentially see an increase in power/efficiency using smaller orifices and equal/less fuel. [/QUOTE]

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