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Message: [QUOTE="Charles, post: 608343, member: 103"] With a bigger nozzle you have to keep the duration in check, else burn down the world. A small nozzle will mask a LOT of sh*t ass tuning. As well as a LOT of injector issues. When the injection rate can jump up quickly, then small changes become big effects. With a larger nozzle you will need less pw for a given power. Or... put in terms that people don't normally talk about, but in a way my brain thinks about it... the pw to ICP ratio needs to be toned down. The RATIO... of icp to a given pulsewidth must be increased for a large nozzle to behave, and be crisp. It's not that the bigger nozzle needs more icp.... it just needs more icp per ms of pw, or less pw per psi of icp. It moves the fuel much easier, so you need to use less duration to make things happen. A 200+% nozzle can shoot a truck down the road sideways at 1.5ms of pulsewidth. If idle hazing is simply unacceptable, then your priorities are not in line with high power output, and intake, exhaust and a chip might be best. Or just bone stock. [/QUOTE]

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