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Where can I find the specs for the 2012 Grand Sport motor?

This is a discussion on Where can I find the specs for the 2012 Grand Sport motor? within the Corvette forums, part of the Vehicle Specific category; GMHTP says that GM never re-certified the GS's LS3 and that on their dyno it put down 415 rwhp. Anyone ...

  1. #1
    Junior Member Gripenfelter's Avatar
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    Where can I find the specs for the 2012 Grand Sport motor?

    GMHTP says that GM never re-certified the GS's LS3 and that on their dyno it put down 415 rwhp.

    Anyone have the complete specs on it? Curious to know why it makes so much more power than the LS3 in the regular Vette.

    Looking to build a similar LS3 for my Camaro.

  2. #2
    Corvette Moderator BlownC5's Avatar
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    Velocity Yellow
    2006 E-Force blown Z06

    That is some great power out of a stock motor!

  3. #3
    Junior Member Gripenfelter's Avatar
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    I know it has a hand built motor and dry sump oiling system along with some other internal tweaks.

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