Subaru New Horizontally Opposed 4-valve Engine 890471

For the 1990 model year Fuji Heavy Industries will introduce Subaru “Legacy” with a newly designed horizontally opposed 4-valve engine series including a 2.2 Lt for the US market.
The new engine series which has been named “Boxer” to symbolize power has been designed and developed making the best use of the advantages of horizontally opposed engines and our twenty three years experience in producing them.
The major advantages of horizontally opposed engines are low noise and vibration, with high specific power and design flexibility which are well featured in these new engines.
This paper is intended to provide a brief overview of the new engine program with descriptions of unique design features.


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