Why so SIRIUS? 4g64?

This video assumes you’re aware that various iterations of the 4g series Mitsubishi engines are designated as Sirius I II. For detailed information about which engines qualify as which, visit: There’s also this at EvolutionM: Good luck finding info about this using Hyundai and Kia in searches. Wikipedia doesn’t have any info about it grouped with the Sonatas either. There is no question what this is, well illustrated in this video. I apologize for the length of this video, but a lot of ground is covered in a short time. Hopefully there’s some information in here you may someday use. I’m just trying to expose it because there doesn’t seem to be any real information floating around in the forums about this yet. The car is a first-generation 1999-2005 Kia Optima sedan. It