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300kw Gts


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  • I see red
  • Member
  • Member For: 22y 5m 29d
  • Location: nowhere in particular

Different dynos will give different figures, as will different times of the day on the same dyno. There are also different ways of setting up a dyno (ie shootout mode) that can be used to inflate (or deflate) kw figures.

  • Member
  • Member For: 22y 4m 2d
  • Location: Greystanes

Power loss is static, once you have lost it

there is no extra loss when mods

are done, eg.

S15 is 147kw Fly and 115Rwkw

so the loss is 32kw.

So when My s15 had 170rwkw Flywheel

equals 202kw.

And if it made 200Rwkw it would

be 232kw.

  • Mal Wood Automotive
  • Member
  • Member For: 22y 7m 8d
  • Gender: Male
  Uwish said:
Power loss is static, once you have lost it

there is no extra loss when mods

are done, eg.

S15 is 147kw Fly and 115Rwkw

so the loss is 32kw.

So when My s15 had 170rwkw Flywheel

equals 202kw.

And if it made 200Rwkw it would

be 232kw.

I would have said power loss is closer to a percentage. Granted, there is the initial dead loss at a certain speed, and it probably ramps down a little after that, but there is no way it is a fixed number. As the drivetrain is called upon to transmit more power, it will generate more heat.

  • Member
  • Member For: 22y 4m 2d
  • Location: Greystanes

more heat...

Well there would need to be a huge

amount of heat through the gearbox, Tailshaft

and diff, to take out any more power.

There have been numerous arguements on other forums

about the power percentage loss.

Search Pf and FFF for these topics.

  • 2 weeks later...
Guest s13viper
  • Guests

driveline loss is a percentage! my silvia had 130kw at the fly std and 98rwkw, it now has 185rwkw and 246kw @ the fly approx, this equates to about a 25% driveline loss, and it was this way throughout the project.

ona side note, I weigh about 1300kg all up so ill give neone a run, lol but seriosuly driveline loss isa percentage can it can be changed by different clutch, flywheels, gearbox internals, etc, etc, but generally isa constant

  • Member
  • Member For: 22y 2m 28d
  • Location: Geelong

I'm no mechanic, but It seems you've increased you're flywheel output by around 90%. I would put my money on any xr6t that had the same percentage power increase any day of the week!! This would give it around 440 flywheel I think, that would be a fair race, unfortunately, most new car owner's like to keep their 3 year warranty

  • Member
  • Member For: 22y 6m 12d
  • Location: Sydney
  s13viper said:
driveline loss is a percentage! my silvia had 130kw at the fly std and 98rwkw, it now has 185rwkw and 246kw @ the fly approx, this equates to about a 25% driveline loss, and it was this way throughout the project.

ona side note, I weigh about 1300kg all up so ill give neone a run, lol but seriosuly driveline loss isa percentage can it can be changed by different clutch, flywheels, gearbox internals, etc, etc, but generally isa constant

Are you saying that you removed the engine to measure the 130fwkW, and then ran the car on a chassis Dyno and measured 98rwkW. Then you finished a few mods, removed the engine again and measured 246fwkW, then put it all back in and measured 185rwkW?

Correct me if I'm wrong, but you were reading the std kW from the owners manual, then put your car on a Dyno, recorded that increase, completed the mods, put your car back on the Dyno and worked the 25% backwards!

So in other words you are saying it's 246fwkW cause you can use a calculator?

I'm just trying to establish facts here

Guest s13viper
  • Guests

no no, by the way its a RWD car so its rwkw, lol, what im saying is the std factory output is 130kw @ the flywheel, I had it dynoed b4 anymods and it spat out 98rwkw, when now it makes 185rwkw after the mods, and this was calculated out to be 246kw @ the flywheel, there is a way to do that when they pull the engine out it just dosen't get done very often, almost a constant 25% loss througout the project!

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