Since my performance related problems have been resolved, we decided to take my car out to a drag race meet on Friday night. Unfortunately, the area where these videos were taken were in a location without ANY lighting. It was literally pitch black, so the video quality is poor. Not to mention videos should always be shot from the car who is trailing so you can get a clear view of whats happening ahead. Nevertheless, we did the best we could.

My car was on 20" wheels for these runs. Too lazy to change to the 19s. Car was running MS109 (105 octane unleaded) with boost set between 1.37-1.4 bar. (20 psi)

Here are the vids:
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Race 1)

2007 GSXR1000
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Mods:
Modded Air Box
BNC Filter
Throttle Body Billets
Power Comander

The bike asked for a 70 mph roll since he said its too difficult to keep the front end down if we started any lower. 2 people in the Porsche.

Also raced a 2004 GSXR1000 with a pipe and power commander as well (no video) we beat him pretty easily from a low speed roll. The 2007s GSXRs are much faster...

Heres the Video against the 07 GSX-R1000:
http://www.youtube.com/watch?v=-CxsQQ43_KY
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Race 2)

2007 Corvette C6 ZO6
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Mods: Stock

This ZO6 was beating up on a couple of modded turbo and Cobra mustangs and asked me to run so we went for it.

65 roll. 2 passengers in each vehicle to keep weight even.

Video:
http://www.youtube.com/watch?v=G-ZIdKQZeKU

Some time ago, I previously ran a different stock C6 ZO6 where the video is much clearer. In this video my 997TT was putting down about 50 whp less coupled with some technical problems but you can still get a clearer picture of how the two cars measure up. Some of you may have already seen this:
http://www.youtube.com/watch?v=PRvrOMgau4k
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Race 3)

2006 Dodge Viper GTS
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Mods:
Exhaust
Air Intake
Computer
150 Shot of Nitrous

Did 3 roll races:
1 at 40 mph, 1 at 65 mph, and another at 80 mph.
2 passengers in each vehicle as well.

Video:
http://www.youtube.com/watch?v=vKfUxDI9Y7U
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Whooaaaaaa...jeez that's fast....

 

Just wanted to say that car is well sorted!
Robert

 

laying waste to some tough competition. Very impressive

 

How are you getting 750 awhp out of a stock fuel system?

 

997TT come with 60 lb. injectors from the factory.

All of Protomotives 997TTs that are running at the 700 whp level including the Tip he just completed thats putting down 710-ish awhp are all running safely off the stock fuel system.

 

Amazing car considering its 4wd and has 20inch wheels.. glad you got everything sorted out.. Why did you retain stock headers?

 

I just got through reading your build thread...yes 60lb injectors and more efficiency is why. I expect a 5.9 60-130 on my car but your time will be very very hard to match.

 

Dr_jitsu:

From the 996TT, I defienetely know that Porsche made a handful of changes on the 997TT that helped out with efficiency:

Larger injectors

Lower Compression ( to handle heavier boost loads) Reduced the compression ratio from 9.4:1 (996TT) to 9.0:1 (997TT).

VarioCam in the 997TT also changes both the valve lift and duration of the intake valves. Theres an adjuster infinitely varies the relative position of the camshaft versus the crankshaft throughout a wide range. So the cam setup is definetely different.

Also measured the 996 and 997 TT thottle bodies:
997tt: 77 mm stock
996tt: 68 mm stock
Might have been off a milimeter +/- but I got it as close as I could.


In comparison with the previous generation (996) Turbo engine, the adjustment stroke range of the intake valves was increased from 3.0 to 3.6 mm. This allows the engine to cover a wider engine-speed and load range, with the small valve lift openings which helps efficiency and power.

Im sure there are a number of other things that were changed that were not even published.

By the way, I had an opportunity to view a 996TT and 997TT head on a work bench next to each other and they both look identical (port sizes, valves, and external structure as well) So unless there are differences beyond the ports outside the scope of what I can see, I believe the head design are virtually the same on both cars.

Im looking into upgrading the heads & cams a bit deeper now and once a combo is put together I will build my motor and up the turbos. Then secure whatever else is needed to meet or exceed the 1000 hp mark reliably.

In the meantime, having fun with the current setup.

As for your car, I am certain you will dip into the 5s. Keep us in the loop...

Keith

 

Thanks...

I retained the stock headers because Todd has a number of 800+ whp 996TTs still running them. Todd seems to prefer the TQ curve of the stock headers compared to the modified headers (depending on the application of course). When I up to the 35Rs I may go larger.

Keith

 

Great job, Keith. Your car is f'ing quick, bro!

AudiRS - I also kept the stock headers on my car all the way to the 1,050 crank HP level.

 

Impressive performance.

 

Great runs. Great car. Unbeleivable power.

Enjoy your ride safely.

 

Holy moly!!!!!!!!! That is too fast!!!!!!

Congratulations keith!!!

 

Great runs man...Nasty Turbo you have there.