Ok, did a single flush, put about a cup of simple green in the overflow, mostly to break down the oil in there. Also, did the oil change and filter/cover, thermostat/housing, cabin filter and new spark plugs. Still got some gunk in the coolant but I'll do another flush later.
You can see a lot of oil gunk pieces floating around when I drained it. You can see how bad the gunk was in the old thermostat. Also noticed no washing of any of the spark plugs, which is a good thing.
Spent about an hour zipping around my neighborhood and one the main roads I was able to punch it. Got up to 60 real fast, these little cars are peppy and the handling is pretty awesome. The night was about 65 degrees but the Boxster never got above 180 during the test run.
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