As detailed in another UOA I posted, it looks like I will be looking for a new shortblock for my turbocharged '05 Subaru Legacy GT soon. I began by only considering OEM replacement options because I wanted a long-lasting engine; that is before I discovered engine coolant pre-heaters. While I'm aware of freeze plug and oil pan heaters, I'm primarily interested in getting the entire engine's internals closer to operating dimensions before the engine ever turns over. My understanding is that...
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