Quote:
Originally Posted by bfrank1972
Why? It's not alien technology.
It's a well designed motor for sure - but even if it had some 'secret sauce' it would be easy enough for anyone to reverse engineer and build their own version (given sufficient budget).
Also I didn't say Subaru could necessarily engineer a *flat four* with equivalent efficiency - motor configurations all have different strengths/weaknesses - my point was rather that different constraints and design decisions impact the overall efficiency/output of an engine system. It's not because we're 'going in reverse' with engine technology (as someone mentioned in the thread), quite the opposite.
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If the US (and the rest of the world) still used emissions standards from 1999, I don't think Subaru would have any problem matching the S2000's output at all. In fact, it might potentially surpass it, given almost 20 additional years of learning and tricks. Along the same lines, I'd argue that Honda could never build the F20/F22 today with the same power output but still meet 2018 noise and emissions standards.