I'll note that the HEMI is WAY easier to get to and work on than a Modular in an F-series or Expedition of the era I owned (2002). That massive 5.4L was a monumental PITA to work on and changing the plugs was an experience. I can't even begin to imagine the joy of working on the V10.
When I was in school my mechanics teacher also owned a shop so he'd bring in a wide variety of "projects". We were also allowed to bring in our own, which was great, I brought in my bike for example (GSX-400R). One of the guys had an '88 5.0L Mustang, that was one of the newest fuel injected vehicles we got to work on. This was 1995, so SEFI was reasonably recent. One of the class projects was putting a 350 in a CJ, lol.
He had a diesel Jetta that had like 500,000km on it. VW had given him a free one when he put 1 million Km on the first one. He commuted with it and racked up the miles quite quickly. He was a big fan of Mobil synthetics (what he ran in the Jettas) and was not a fan of the FRAM media endcaps, so he definitely had his biases

Which of course he passed on to us.