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BMW M3 CSL on the dyno

Discussion in 'Other Off Topic Forum' started by Aircon, Mar 19, 2004.

  1. Aircon

    Aircon Eight Time F1 World Champ

    Jun 23, 2003
    84,685
    Melbourne, Australia
    Full Name:
    Peter
    The number by itself meant nothing except that it's compared to other M3s.
    The CSL had 215 rear wheel kw. A standard M3 has 195 and there was a freak with 200 (but different muffler). All measured on the same dyno. An extra 15-20kw means the claim of BMW of the amount of HP a CSL has over a standard M3 is correct. What is converts to in flywheel power is anyone's guess.
     
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  3. ATBNM3

    ATBNM3 Formula 3

    Nov 17, 2003
    1,391
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    Don Jackson II
    What is the conversion from kw to lb-ft?
     
  4. Mitch Alsup

    Mitch Alsup F1 Veteran

    Nov 4, 2003
    7,058
    KW (not kw*) is a measure of power, lb-ft is a measure of torque, ft-lb is a measure of energy.

    K is for Killo : measn 1000 of something
    W is for Watt (as in James Watt the invventor of the steam engine)
     
  5. bostonmini

    bostonmini Formula 3

    Nov 8, 2003
    1,881
    I believe 300 KW is 408 BHP....not positive...but does that seem about right? 996 turbo (europe) claims 309 KW....
     
  6. C. Losito

    C. Losito Formula Junior

    Dec 12, 2003
    908
    Metro St. Louis
    Full Name:
    Chris Losito
    215kw = approx. 288 horsepower
    195kw = approx. 261 horsepower
     
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  8. bostonmini

    bostonmini Formula 3

    Nov 8, 2003
    1,881
    that means they are within 20-30 hp of a stradale? wow...guess they are making around 400 ferrari horses!
     
  9. Mako99

    Mako99 Formula Junior
    BANNED

    Dec 29, 2003
    454
    lol, no doubt!
     
  10. Aircon

    Aircon Eight Time F1 World Champ

    Jun 23, 2003
    84,685
    Melbourne, Australia
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    Peter
    Absolutely no way is it making the horsepower of a 360, never mind a 355!! Top speed of a 355 down the straight at PI is 245, M3 240. 360's significantly faster....i think 250. FYI F40 was doing over 265.

    The claimed FWHP for the CSL is 360hp.
     
  11. mjgermane

    mjgermane Formula Junior

    Jan 21, 2003
    507
    RWHP
     
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  13. PSk

    PSk F1 World Champ

    Nov 20, 2002
    17,673
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    Pete
    I think Aircon meant Flywheel HP not Front wheel HP ... (?)

    Aircon,

    Also top speed on a straight is affected by corner exit speed on to the straight. I would assume that a mid-engined Ferrari would have a slightly better exit speed and thus give it a head start on the top speed battle.

    Pete
     
  14. ATBNM3

    ATBNM3 Formula 3

    Nov 17, 2003
    1,391
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    Don Jackson II
    How do you convert these numbers to the American Standard of HP and lb-ft torque? You could tell me it has 1000KW power and it doesn’t mean anything when referring to the power of a car. When I lived in Japan they always referred to horse power in PS and torque in KW. That is the reason why I asked.
     
  15. Mako99

    Mako99 Formula Junior
    BANNED

    Dec 29, 2003
    454
    Uh, it's called sarcasm. We're making fun of Ferrari's grossly inflated flywheel HP ratings as evidenced by the Stradales that have been dyno'd to date.
     
  16. bluekawala

    bluekawala Formula Junior

    Jan 22, 2004
    430
    Ormond Beach, FL

    Would the "slippier" body of the 360 aid in the acceleration at high speeds? Or do the M3 CSL and the 360 CS have about the same Cd?
     
  17. PSk

    PSk F1 World Champ

    Nov 20, 2002
    17,673
    Tauranga, NZ
    Full Name:
    Pete
    ATBNM3,

    Suggest you follow this linke: http://members.iinet.net.au/~lmj43mst49/pages/converter.html

    Pete
     
  18. stephens

    stephens F1 Rookie
    Lifetime Rossa

    Feb 13, 2004
    4,483
    Australia
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    Stephen S
    What times are you getting at the island? I hit 280kmh running a 1:40. The exit from MG and the drive you get from there on in is critical to a fast lap.
     
  19. ATBNM3

    ATBNM3 Formula 3

    Nov 17, 2003
    1,391
    Sunny Isles
    Full Name:
    Don Jackson II
  20. ATBNM3

    ATBNM3 Formula 3

    Nov 17, 2003
    1,391
    Sunny Isles
    Full Name:
    Don Jackson II
    Nm=Torque. Um I'm catching on.
     

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