GT3 Vs Turbo Drag..The VIDEO
Thread Starter
|
Registered User
Joined: Mar 2004
Posts: 89
From: M East
Rep Power: 26
GT3 Vs Turbo Drag..The VIDEO
Awaiting Email Confirmation
Joined: Mar 2004
Posts: 611
From: Sydney, Australia
Rep Power: 0
Originally posted by Marx
I just saw that the road was a little wet. This could have been a major disadvantage for the GT3 though.
I just saw that the road was a little wet. This could have been a major disadvantage for the GT3 though.
Trending Topics
Porsche Fiend
Joined: Aug 2003
Posts: 2,875
From: Malibu, CA
Rep Power: 139
It seems evident to me that the Turbo got the better launch each time. So what that tells me is that the Turbo driver is a better drag racer than the GT3 driver. This is probably what accounts for the time differences.
Porsche won!!!
Registered User
Joined: Dec 2005
Posts: 1,321
From: Atlanta, GA
Rep Power: 73
Originally posted by Hamann7
It seems evident to me that the Turbo got the better launch each time. So what that tells me is that the Turbo driver is a better drag racer than the GT3 driver. This is probably what accounts for the time differences.
It seems evident to me that the Turbo got the better launch each time. So what that tells me is that the Turbo driver is a better drag racer than the GT3 driver. This is probably what accounts for the time differences.
Senior Member
Joined: Jul 2003
Posts: 4,992
From: Bahrain
Rep Power: 229
There's not much between the turbo and the GT3. It's the driver who makes a difference. I'd still venture out to say that with equal drivers, the turbo has a small sliver of an edge because of the four-wheel drive traction and the better torque down low.
Registered User
Joined: Sep 2003
Posts: 6,351
From: New York
Rep Power: 298
Originally posted by 03-turbo911
I'd still venture out to say that with equal drivers, the turbo has a small sliver of an edge because of the four-wheel drive traction and the better torque down low.
I'd still venture out to say that with equal drivers, the turbo has a small sliver of an edge because of the four-wheel drive traction and the better torque down low.
Registered User
Joined: Apr 2004
Posts: 350
Rep Power: 37
I don´t know why there is so much doubt has to the fact the Turbo is quicker than the GT3
From more than 5 German magazines that tested both the GT3 is smoked by the Turbo to 100Kph by 0.3 or 0.4 sec difference and almost 2 seconds to 200Kph. On this video we see clearly the GT3 being smoked in pure power accelaration, so I don´t don´t know why some of you are trying to see teeth on the chicken mouth
J.Seven
From more than 5 German magazines that tested both the GT3 is smoked by the Turbo to 100Kph by 0.3 or 0.4 sec difference and almost 2 seconds to 200Kph. On this video we see clearly the GT3 being smoked in pure power accelaration, so I don´t don´t know why some of you are trying to see teeth on the chicken mouth
J.Seven
Porsche Fiend
Joined: Aug 2003
Posts: 2,875
From: Malibu, CA
Rep Power: 139
Because the power to weight ratio of the Turbo is quite a bit worse than GT3, and those of us who have OWNED both cars seem to think acceleration between the two cars is too close to call.
But even if the Turbo is a bit faster, who cares? I still prefer the GT3 and if I really wanted to smoke Turbos or even modded ones, I can call Koro to do a 5 liter engine conversion.
But even if the Turbo is a bit faster, who cares? I still prefer the GT3 and if I really wanted to smoke Turbos or even modded ones, I can call Koro to do a 5 liter engine conversion.
Registered User
Joined: Jul 2003
Posts: 1,803
From: Atlanta, GA
Rep Power: 99
Originally posted by Hamann7
Because the power to weight ratio of the Turbo is quite a bit worse than GT3...
Because the power to weight ratio of the Turbo is quite a bit worse than GT3...
As you well know, there are lots of factors that impact acceleration. Here's a snapshot of what gearing does. This is not presented as a complete picture, but as a good gouge as to part of the performance picture.
Th turning force at the wheels is equal to the overall gear ratio (gear ratio x final drive ratio) x torque. This is with a rolling radius of 1, and disregarding transmission losses (transmission losses can be assumed to be the same in this case). This formula can be applied at points along the torque curve to get a complete picture, but we'll use the flywheel peak torque for this example.
The 996 Turbo and GT3 have the same final drive ratios and the same 1st gear ratio so they both have the same overall of 13.14 in 1st gear. So at peak torque the Turbo is generating 5453 lbs of turning force and the GT3 is generating 3745 lbs...making the Turbo hard to beat out of the hole. In 2nd gear the Turbo is making 2926 lbs and the GT3 is making 2109 lbs. For 3rd and 4th it's 2013 versus 1530 and 1599 versus 1186.
The Turbo clearly leads the GT3 in turning force at the wheels because of it's superior torque. But weight does have to be factored in, and by dividing the turning force by the weight of the car you get...thrust to weight...a much better indicator than power to weight.
The "test" weights I found in magazines were 3600 lbs for the Turbo and 3340 for the GT3. Based on these weights, here are the thrust to weight figures for both cars, Turbo first...
1st gear ---> 1.51/1.12
2nd---> .81/.63
3rd---> .56/.45
4th---> .44/.35
Those are big advantages for the Turbo, and considering the fact that the Turbo makes more torque earlier in the rpm range, the effect of these numbers is even more tilted in the Turbo's favor.
Yes, the numbers can be played with by changing the weight of a car, and by using different torque values...i.e. by saying the GT3 really has more torque than Porsche advertises (while the same can be said for the Turbo too though).
What this does show is that gearing is an important factor in acceleration.
It also shows that the Turbo should be the faster accelerating car...