TTAC commentator slavuta writes:
Something came into my head related to break-in period and time of purchase of the car. These days, modern engines often don’t have actual gaskets; the gaskets are formed from a chemical compound spread on one surface and pressed-on with another.
As everything liquid becomes hard or nearly hard, it requires a curing period. From the time an engine is assembled to that time when it starts seeing real usage could pass months or even a year+. Of course, the engine sees some usage from testing and from the car being moved around during shipment.
But let’s say you buy this car in the middle of a harsh winter. We know that materials shrink and expand as temperatures goes down and up. Do you think buying a car during summer gives more curing and settling time to these gaskets vs buying in the winter, especially in the areas where winters are really cold? Yes, engine becomes hot during operation but many materials seem to get more elastic with heat and more hard and fragile with cold. Ever tried to leave even an empty garden hose outside in the cold? Your thoughts – are there any break-in advantages from buying in the summer?
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