Subaru underrated the WRX too!

Discussion in 'General Subaru Discussion' started by kickin_81, Oct 17, 2005.

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  1. kickin_81
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    kickin_81 Well-Known Member

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    Based on the Mustang dyno readings from Gruppe-S, the WRX's WHP isn't too far behind the STI.
     
  2. wall of tvs
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    wall of tvs Well-Known Member

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    The first one is 216 hp, while the second one is 184 hp.

    That's a pretty large gap for the same car.
     
  3. kickin_81
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    kickin_81 Well-Known Member

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    The first dyno is of a MY06 STI. It tops out at 216.
    The second dyno is of a MY05 VS a MY06 WRX. The MY06 tops out at 184.

    The gap between the STI and the WRX went from 54.6 WHP to 32.5 WHP. The WRX guys are liking it, but who knows if their tranny will. :?
     
  4. DISCOPOPE
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    DISCOPOPE Well-Known Member

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    that wrx pull was after a tune iirc.
     
  5. wall of tvs
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    wall of tvs Well-Known Member

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    Ahhh, gotcha.

    Doesn't the new WRX use the same tranny as the FXT now?
     
  6. AWDimprezaL
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    AWDimprezaL has more posts than you

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    yes it does...fong was is unaware of this
     
  7. kickin_81
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    kickin_81 Well-Known Member

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    You may be right, but AFAIK, it is stock. A tune will add an additional 25 WHP per Gruppe-S because stock runs very rich per Gruppe-S. :eek:

    ...and the WRX has longer gears than it did for the MY05. Here are the specs of the 06 WRX:

    Displacement
    2,457 cc (150 cu. in.)
    Bore x Stroke
    99.5 x 79 mm (3.92 x 3.11 in.)
    Compression ratio
    8.4:1
    Max. boost pressure
    13.5 psi
    Horsepower
    230 @ 5,600 rpm
    Torque
    235 @ 3,600 rpm
    Gear ratios 5MT
    1 3.454
    2 1.947
    3 1.366
    4 0.972
    5 0.738
    R 3.333
    Final drive
    3.70 with viscous limited-slip rear
    Coefficient drag (Cd)
    Sedan: 0.33 Sport Wagon: 0.37
    Curb weight (lb) 5MT:
    WRX Sedan = 3,192
     
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