Quote:
Originally Posted by Hersbird
Maybe, but I have never blown the lubricated part of an engine in any car or truck I have ever had. Even at over 300,000 miles on some of them. Every other part of the drivetrain will fail 3 times or more before you get to that point of worrying about rings and bearings. I did have a flat lobe on a camshaft once at 175,000 miles but it was a known metallurgy issue with a small window of cams manufactured that year.
I agree the garage is best and you don't even have to full on heat it. I have a furnace in the garage but only use it I'd I'm working in there. Most days the process of parking the fully warmed up car in there and closing it up keeps the temperature inside above freezing even when the lows get down in the teens and that's just one car in a detached 24x36 space.
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But you’re speaking of empty vehicles when it comes to longevity, aren’t you? Driver-only. Not a vehicle expected to do any work. In which case cylinder pressure is still key.
Extended idling isn’t ever recommended for that reason. One cylinder starts to go south and it quickly drags the others with it. THAT I have seen plenty of times. Vehicle relegated to grocery-getting (needs to be dumped, IOW). Useful service life was diminished by poor operating habits. It’s no longer A FAMILY CAR.
Average annual MPH is still the bellwether
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