Quote:
Originally Posted by 40 Deluxe
Add in the quality of the oil at the time and failure to change it often enough and Presto!, recipe for sludge!
Also, add in short trips in cold weather (people lived closer to friends, work and the grocery store) plus the great backyard trick of removing the thermostat.
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Actually it was not the quality of the oil, detergent oil became available with the advent of hydraulic lifters in the late '40's... The old habit of removing thermostats was a holdover from the days of alcohol based anti-freeze. Spring time ritual..... drain the anti-freeze and pull the thermostat, the thinking being that the thermostats only function was to provide heat for the heater.
OLD HABITS AND MYTHS DIE HARD. They also killed a lot of good engines.