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392 Posts
Hello everyone. I purchased a 180 tstat for my rt 5.7, but then canceled it because I read on another forum that it can wear the engine down faster. I’ve noticed once the engine gets passed 190 it starts to feel sluggish and slow . Before that especially before 150 degrees it feels like a totally new engine. (I don’t push my car till it hits 190 or more because of the oils operating temp.) I would just like to know if running the tstat would help make it feel better without hurting the engine