Subaru Closed Deck Engines - Open Vs Closed Explained Here
I used to have a 2001 Subaru Outback that blew a head gasket around 70k miles. I've heard this is a common issue, why do so many Subarus blow their head gaskets? -
Engine Block Tech 101: Go Bigger or Go Stronger the Right Way
Supporting Your Cylinders - Open, Semi-Closed, Or Closed Deck?
AutoZine Technical School
Open Deck vs Closed Deck: Which One is Better? - Dust Runners Automotive Journal
h22a open deck or closed deck? - Honda-Tech - Honda Forum Discussion
Supporting Your Cylinders - Open, Semi-Closed, Or Closed Deck?