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...coming back to Mazda's "Skyactiv engines"... Skyactiv is a brand-name, that stand for a couple of different types of engines with various technologies. - Skyactiv-G is a gasoline engine with cylinder-deactivation, a very high compression-ration of 14:1 and for that they need to apply a ...

@mck1117: As far we I know, Mazda is doing both of these on their Skyactiv engines. I will double-check Mazda's Skyactiv system, why they are using IS and which specific functions are inplemented. We're most interested in #1. This isn't too big a problem, since there isn't much overlap between the s...

Hello guys, this is my very first post here. So please be patient, if I cause objections with some statements below... I was working for 35 years as an automotive engineer for OEM and supplier mostly focussed on engine controls. Ion-Sense (IS) is a technology, that pops-up every 10 years. There is a...

Hello Guys and happy new year 2022! I think, it was a perfect idea of Bartman to create this intro-thread recently. So I can just append my introduction as a newbe in this forum, which I discovered by chance just yesterday. I am a retired automotive engineer. My professional background through most ...