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2010 Subaru Outback 2.5i CVT w/Remote Engine Starter, Fog Lights & Auto-dimming Mirror w/Compass
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Discussion Starter #1
I recently drove a loaner 2019 Legacy with the naturally aspirated engine (FB25D) and was impressed with the relatively smooth power delivery. The power to weight ratio for the Legacy is higher than my 2017 Impreza and is probably the highest among naturally-aspirated Subaru’s except for probably BRZ.

I drove about 100 miles during the last week and got better fuel economy than the Impreza. Since the engine performance and fuel economy was better, I was wondering if anyone is aware of a good website to compare the dimensions of FB25D and FB20D. Both are naturally aspirated, direct fuel injection engines. If y’all know of any previous attempts to swap engines, do share. I am just curious at this stage.
 
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