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Fascinating document, never seen anything like it before. Something like this is probably distributed internally by other manufacturers when mid-cycle changes are made, but maybe not at this OCD level of detail.
The engine efficiency gains mentioned ought to be enough to negate the impact of the MT's higher final drive ratio on fuel economy - Subaru would have wanted to ensure that mpg numbers did not worsen given the ever-tightening fleet regs. AT cars should actually see an improvement of 1-2 mpg.
No mention at all in this document of improved sound characteristics from either the engine or exhaust - looks like they gave up on that one. I clearly remember the chief engineer admitting in an interview around the initial release that this was an area where improvements would be desirable. (It has been mentioned elsewhere though that this document doesn't cover the full range of changes coming with the MCR, so a shred of hope remains.)
Last edited by Sport-Tech; 06-30-2016 at 08:27 AM.
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