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Yesterday (does that count?) I found my A/C lines were rubbing - one seemed to occasionally touch the idler pulley when the hood was closed, another, the back of the condenser fan housing. I clearanced these.
Also brushed some chalk dust all over the engine bay and closed the hood, so I could see where various components were touching the hood insulation, and clearanced that as well (no more hood rattles!).
Found my coolant level had dropped slightly, and traced it back to my 20 year old stock Insight radiator leaking very slowly, so I ordered a 2 row Civic/CRX radiator, fan and shroud to replace it - the Insight radiator was only barely able to maintain temperature of the 2.4L engine during the hottest parts of summer anyway.
Made some small tweaks to the response of my aftermarket cruise control. Better, but still not quite there.
Adjusted ignition timing tables and fuel curves very slightly, to get easier starts in very cold weather.
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