I seriously doubt the drivetrain loss is 20%. 490 sounds VERY low. I would guess 550 without breaking out the calculator and estimating 12% loss.

 

Why did you shut off the car after every run? Thats the first time i've seen that done...

 

i want a ride!!! or i want one for myself!

 

Car sounds great, really like the awe straightpipe.

 

he didn't shut off the car after each run..it is just quiet

The car made 560RWHP which you can figure about 650 or so range..
Dyno can vary 15-20% drivetrain loss..we factored at 18%.

 

612*0.8=489.6

Of course I have no idea what the real drivetrain loss is on a CGT so my assumption could be way off.

 

Very nice ! Thanks for posting

 

Wow, thnx for this!!

 

Any particular reason everyone thinks the drivetrain loss is that high? I only push this because my 944 turbo a few years back was 12% loss and thats a car from the 80's. So why would a modern mid-engine super car from porsche be that much less effecient at getting power to the ground 20+ years later?

I know this is a bit OT but at the same time my logic sways the numbers a bit. Say 625 crank hp range.

Either way, nice car and good #s

 

Beautiful and great car!!
Now supposedly the stock engine makes 612 bhp. This C-GT put down 560 rwhp. So what is the DT loss for this car?
With the figures at hand this translate to a DT of 8%. Even with current technology as someone was stating this does not compute.

Regardless it is an awesome car.
I would love to run one with my ASR Engineering tuned E60 M5 ( 581 rwhp and 461 rwtorque ). The C-GT would have the aerodynamic and weight advantage. Still it would be fun. It would be a blast to do a 60 to 180 mph run.

Cheers gentlemen,

Ranger