Subaru debuts third-generation boxer four-cylinder engine - Page 2
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This is a discussion on Subaru debuts third-generation boxer four-cylinder engine within the News and Announcements forums, part of the Community - Meet other Enthusiasts category; Originally Posted by Voodoo Rufus They could still use FI on this motor if it has higher compression, just with ...

  1. #16
    Registered User Aphrodisiac's Avatar
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    Jul 2007
    Quote Originally Posted by Voodoo Rufus View Post
    They could still use FI on this motor if it has higher compression, just with a lower boost pressure than we're used to seeing on our high strung versions.
    I suppose, do you have any idea what the c/r is on this motor? And they may get rid of the turbo Forester randomly, they dropped it and standards off the Outbacks... I was so pissed.
    2005 World Rally Blue WRX
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  3. #17
    Registered User Voodoo Rufus's Avatar
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    Jun 2006
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    I don't have a clue, but I'd like to see 10:1 or better, personally. 12:1 would be nice, but one probably wouldn't be able to run much boost on it. Maybe you wouldn't need to if the rev limit was high enough.
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  4. #18
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    Jan 2010
    15 injection maybe??

    For the person previous who would want the engine mounts behind the rear axle...there's no chance, the way the AWD system works in the subaru's makes it impossible, would have to have a transfer case of sorts and id rather just have the beast 6 speed in it. Maybe some trick electronic front and rear diff's to give us independent wheel control, THAT would be a nice upgrade

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  6. #19
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    Jan 2010
    Sacramento, Ca


    Quote Originally Posted by teflon_jones View Post
    So if the bore and stroke have increased, how come it has the same displacements?
    The press release doesn't specify an increase or decrease unless I missed it. On the flip side the Autoblog article did claim that they had increased both, BUT another site seems to see it a bit different, "The bore and stroke of both displacements has been 'reviewed,' by which Subaru means they've decreased the bore and lengthened the stroke to improve mid-range torque. Subaru's also bumped up the compression slightly from 10.2:1 to 10.5:1." Automobilemag

    I would tend to agree I don't know that I would want to own the first year (or maybe two) but with the world economy being so fragile right now do you really think they wouldn't have tested the engine quite heavily? (yea that voice in the back of my head is reminding me of the glued in replacement A-Pillar to door glass rubber seals Honda had to add to my Del Sol way back when I was "smart enough" to have bought a first year model...)

    Now back to the numbers, a free-er (sp??) reving engine isn't a bad thing by any means and the compression ratio (though I am not sure where they pulled the numbers from) isn't that far from the previous, at least according to the automobilemag article...


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