(torque is dark blue, hp is light blue)

How'd I do?

I'll post another dyno after fabspeed exhaust & bypass install and then another dyno after adding a chip(if I decide to do that).

 

Was that a 4 wheel dyno or two wheel with the front drive shaft disconnected ???

 

4 wheel dyno with the center dif in locked mode.

I didn't know it was possible to disconnect the front drive shaft on the Cayenne.

 

I don't think it's possible. What is the drive train loss percentage in order to estimate crank hp. I know on the 996 TT's it's 20 or 25%, not sure which. In any event with your truck stock, if it's 20% the the crank estimate is 360/.80 = 450hp
If it's 25%, 360/.75 = 480hp...

 

The numbers with 20% match perfect, so I think it's safe to assume the drivetrain loss is 20%

 

The reason I mentioned that is because Porsche seems to underestimate power in their published specs. For a GT3 with a 15% loss (2wd car), crank hp has been anywhere from 410 -425 hp, stock when you estimate it at the crank...Porsche publishes 381 at the crank, when in fact the cars have been consistently putting down 350+ rwhp...

 

I heard the same about the GT3. With all the hp wars going on, you would think they would publish the exact amount, either that, or there are lower drivetrain losses with the GT3 for some reason...

Compared to other dynos I found for the CT(evo and fabspeed) it looks like I'm right on the money. Nothing extra, nothing missing

 

Another dyno with the addition of Fabspeed bypass pipes will be coming soon. Stay tuned!

This will show what the bypass pipes add or subtract and end the arguments.

 

Hey Jenner, I'm anxious to see the CT Dyno results with the bypass pipes on. Do you have any preliminary numbers? I don't need to see the picture. Thanks, and have fun.