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Message: [QUOTE="6.0 Tech, post: 1567216, member: 23001"] [MEDIA=youtube]htoHMo7cmfU[/MEDIA] Hers the short I saw. No personal attack felt, and I’ll admit I haven’t dug too much into this. The breaking surface tension thing makes sense, in a non direct injected engine. The same reason that polishing intake runners doesn’t work, in that they need turbulent air to mix the fuel and air together to get a better mixture and not have wet spots. However, my personal feeling, again, backed by zero science or testing, is that with direct injection, especially at the pressures fuel is being injected, be it gas or diesel, you already have a fine must as long as the nozzles are working properly. Obviously if you have a drippy injector or a nozzle hole that’s too big or something, and aren’t getting a proper spray pattern, the dimples could mask it. But with diesels, you’re injecting at 5000 psi at idle on a common rail, probably somewhere in that ballpark on a heui depending on injector size(hybrid injection pressure is lower than conventionals), and around 30k at wot. And with the diesels starting combustion based on start of injection, having multiple flame fronts isn’t the greatest. Oe tuning for heui has pilot injection, which is basically the same idea, but that shuts off at basically above idle, so you have a more solid controllable burn. Sent from my iPhone using Tapatalk [/QUOTE]

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