Electrical failure and possible resulting overheating is a good point, but in my case the car rarely gets more than 100 mi from home, and in such an event (unlikely but possible) that's what AAA is for. I'd also be interested in whether setting the E fan to come on at a lower temp might offer better cooling than the stock fan around town in hot weather. Does anyone with an electric retrofit have positive or negative feedback on that?

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1983 CD
1958 Studebaker Packard (being resuscitated)