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  1. #1
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    Porsche's new boxer / flat four-cylinder to come in three favors - 1.6 liter, 2.0 liter, and 2.5 liter motors

    If this report from CAR is correct we are going to see three new four-cylinder engines from Porsche. They will be based on the same architecture but vary in displacement and output. The smallest engine will be a 1.6 liter with 210 horsepower. Next up, a 2.0 liter engine with 286 horsepower. The top of the line Porsche boxer four-cylinder will offer 2.5 liters of displacement and 360 horsepower (which this output certainly can be raised).

    Click here to enlarge

    PorscheBoost originally reported based on early articles that displacement up to 2.5 liters was possible if the engine is a modular architecture based on the Porsche flat-6 engines. As these motors are all direct injected it certainly looks like Porsche is basing the design on the flat-6 to retain things such as the pistons and rods to keep costs down. Sharing the Carrera S bore x stroke means exactly 2.5 liters of displacement in a flat-4 configuration.

    All three motors also will be turbocharged meaning a lot of fun for tuners. The question is, which cars will get these motors? The Cayman and Boxster are practically a certainty. This also means the flat-6 will be gone from the cars with three new four-cylinder engines taking the place of the six.

    It will be interesting to see if the 911 gets any of these engines as well. The return of the four-cylinder 911? It's possible.

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    The return of the 912? Click here to enlarge

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    Now I wonder how much lighter these cars will get?!

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    Click here to enlarge Originally Posted by blackshan Click here to enlarge
    Now I wonder how much lighter these cars will get?!
    100 pounds or so? Thing is the turbos and plumbing have to weigh something. So, maybe not too much.

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    With either choice of motors I'm curious to how the engines will sound boosted and the revving capabilities. Will have to keep my ears and eyes open.

  6. #6
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    Should sound similar to a Subaru I would think.

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Should sound similar to a Subaru I would think.
    Depends on the header configuration. More likely that it will sound like the FA20 in the latest gen WRX than the traditional unequal length header setups in the turbo Subies of the last 10 years.

    What will be interesting is how they implement the 1.6L motor. Given that the 919 is using a 2.0L plus all the hybrid power-adders, it seems that they will use the 1.6L in a similar fashion. I just wonder whether they will allow the hybrid to outpace the 2.5L turbo.
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    Click here to enlarge Originally Posted by whoosh Click here to enlarge
    Depends on the header configuration. More likely that it will sound like the FA20 in the latest gen WRX than the traditional unequal length header setups in the turbo Subies of the last 10 years.

    What will be interesting is how they implement the 1.6L motor. Given that the 919 is using a 2.0L plus all the hybrid power-adders, it seems that they will use the 1.6L in a similar fashion. I just wonder whether they will allow the hybrid to outpace the 2.5L turbo.
    The 1.6 isn't official. The 2.0 and 2.5 are although I don't know how much I trust CAR.

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    1 out of 1 members liked this post. Yes Reputation No
    Looks like there might be a new baby Porsche for those motors to drop in:

    http://www.motorauthority.com/news/1...-car?fbfanpage

    -Rich
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