Dec 122010
 

Dyno Video

Dyno Condition:

  • Stock 2008 Suzuki SX4 Sport (5-MT)
  • Odometer reading @ ~24,500 [mi]; Engine oil has 2,000 [mi] on it; Pennzoil Platinum 10W-30.
  • Used 4th Gear for the test
  • Dynojet Dynamometer
  • STD Smoothing = 5;  STD = 0.99

Test Results (@ the wheel):

Factory Claim (@ the crankshaft)

  • 143 hp @ 5,800 rpm & 136 Ib-ft @ 3,500 rpm

The Quick and Dirty Analysis:

The dyno result versus factory claim is sugguesting a 20% drivetrain loss. For a FWD with manual gear box, this percentage shouldn’t be more than 15%.  20% loss is more for a AWD.

Reasons for this discrepancy:

  • Suzuki over estimated the power
  • The tested sample is defective
  • Something wrong with the test equipment and/or method

To be Continued

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