996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

What does an 850 hp turbo sound like?

Old Jun 30, 2011 | 01:01 PM
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What does an 850 hp turbo sound like?

car is a gutted full racecar recent 850hp dyno at 2700 pounds tuned by Protomotive and Bob Brooks. full cup race tranny.

posted this just because the car started out like most cars on this forum and now only races, straight pipes down the mile long back straight at VIR gives you some idea of how these cars "can" sound

tom
http://www.youtube.com/watch?v=w5XsdFAnNUY


http://www.youtube.com/watch?v=w5XsdFAnNUY


 

Last edited by tom kerr; Jul 1, 2011 at 08:42 AM.
Old Jun 30, 2011 | 01:06 PM
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ok I will work on the stuff showing up! guess I dont post enough anymore to remember how to do it!!

This was the start of the PCA enduro race at VIR this past weekend, if the above works!
 

Last edited by tom kerr; Jun 30, 2011 at 01:26 PM.
Old Jun 30, 2011 | 01:31 PM
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Woow, welcome back Tom!
 
Old Jun 30, 2011 | 03:15 PM
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What turbos? I would think any that made 850 would be too big for a track car.

Was it a stroker motor? You can see the big power come into play on that long straightaway.
 
Old Jun 30, 2011 | 04:50 PM
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Impressive! But also impressive were some of the other cars on the track. There was an older looking carrera in front of you for a little while that I never would have thought would be able to hang for as long as it did.
 
Old Jun 30, 2011 | 06:37 PM
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tom what setup are you running now ?
 
Old Jun 30, 2011 | 06:41 PM
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car sounds awesome, still running the 24/18G ? what are you using for diverter valves?
 
Old Jun 30, 2011 | 09:56 PM
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Glad to hear from you Tom. Wow, that was some good driving; your car is a track beast especially on that fast track. Love that suspensions.
 
Old Jun 30, 2011 | 11:13 PM
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Terrific driving Tom, and an awesome car to boot.
 
Old Jul 1, 2011 | 08:23 AM
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car "only" has hybrid k-24's however complete intake overhaul with air filters above IC's and upgraded fuel system. funny all the stuff you here on this board about this and that. this car was legit dynoed and pulled 860 at the crank no problem. just a matter of optimizing the air and fuel. the motor will be rebuilt in 3 months after Daytona but only for strength.

as for the other cars in the race, I had a broken shock and missed qualifying and started at the back of the grid. I won the GT-1 endurance class for that race so had plenty of time to work with. also had few other "issues" with the car

thanks for the comments.

BTW the diverter valve vents to the atmosphere not internally that's why the blow off sound.

the car transmission is also re-geared and why the heavy tranny whine also.






 

Last edited by tom kerr; Jul 1, 2011 at 08:49 AM.
Old Jul 1, 2011 | 08:56 AM
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Nice video Tom. Thanks for posting. Your car almosts seems to have a tractor beam pulling the others back to you on the straights.
 
Old Jul 1, 2011 | 09:30 AM
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Looks great Tom, glad to see you out there! I just got done ordering the rest of the parts to get our beast back out to the track, seeing Daytona registration open up was quite the motivator! I'm dialing the car back to 550whp and focusing on the mid range power with tuning so I can make the most out of the cars setup and grip. Should be a blast!
 

Last edited by onelove; Jul 1, 2011 at 09:34 AM.
Old Jul 1, 2011 | 09:43 AM
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Originally Posted by onelove
Looks great Tom, glad to see you out there! I just got done ordering the rest of the parts to get our beast back out to the track, seeing Daytona registration open up was quite the motivator! I'm dialing the car back to 550whp and focusing on the mid range power with tuning so I can make the most out of the cars setup and grip. Should be a blast!

Awesome Wes, hope to see you at Daytona, cant wait just repaved should be hitting near 200 in the front straight!!
 
Old Jul 1, 2011 | 11:20 AM
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Nice vids Tom. Lookin good!
 
Old Jul 1, 2011 | 04:43 PM
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Nice!
 

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