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Posted: Fri Feb 04, 2005 4:22 pm 
Getting Side Ways
User avatar

Age: 35

Posts: 516

Joined: 20th Dec 2004

Gallery: 4 images

Ride: EL Manual

Location: S.E. Melbourne
VIC, Australia

Just wondering, when comparing Manuals to Auto's on dyno figures, Does the different gearing make much difference? Or do dyno's compensate for this?

Ie. Dyno a manual in 4th gear (straight 1:1 ratio) * 3.23 diff = XXX torque at the wheels which gets multiplied by revs to get power

Vs. Dyno an auto in 3rd gear (say also 1:1 ratio) * 3.08 diff = less torque for same engine output (assuming drivetrain losses the same) = lower Rear wheel power figure?

Thus if you put on a lower diff ratio you would get more RWKW because your torque at the wheels would be higher for same power output?



Manual EL Gli.
Mods: Crow Stg3, Chiptorque Dynotune. Lukey Exhaust. DBA slotted rotors, EBC Pads. Whiteline Low Susp. EL GT Swaybars, ROH Envy 17 x235 wheels. Vehicle Datalogger Display V2.0,

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