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SteveW

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I made some friends yesterday. Instructed for an OR autox club that hosted a trackday and went out with these two beasts during one of my play sessions. Voodoo motor = glorious sounds!

Awesome way to burn a vacation day!!:headbang:

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ddozier

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Do you feel like that wing provides any downforce?
On my test track, Gateway Motorsport Park, the only data I have is 220 laps without the wing and 65 with the wing. Without the wing I was running a 1:12.xx in traffic and with the wing I ran consistent groups of 1:11.xx in traffic and a golden lap of 1:10.76 on NT-01s.

I think my current setup has a 1:09.5 in it as my virtual best lap is a 1:09.84 and I have never pushed the car or driver to the limit as the track is not a forgiving track and nearly all incidents would end very badly for the car there. I also think that if the car was on R7s it could drop another 1 to 1.5 seconds there.

This is on a very short track 1.76 miles with a long roval and straight were the wing could have hurt me a bit, but still the car is 1.5 to 1.75 sec a lap quicker with the wing on that track. On tracks like NCM, Putnam Park or Road Atlanta I have a feeling it will be even greater gains, it just depends on how much it hurts me on the longer straights, and higher speed tracks.

I can tell you that I was running just the front splitter and the car had a very slight tendency to over-steer on corner exit if you got on the power to fast, once I added the wing the behavior of the car has changed to a very slight push on mid-speed corners but it is cured with the throttle very easily and I can use more throttle on corner exit. That is where all the time came from according to the data, I am on the throttle sooner with the wing.

There is little question the G-Stream wing or one like it will out perform the GT350R wing, but for the size front splitter and setup I am running it seems to be a good balance. we will see once I add the vented hood and rear undertray if I can maintain the balance.

Dave
 

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c_reber

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On my test track, Gateway Motorsport Park, the only data I have is 220 laps without the wing and 65 with the wing. Without the wing I was running a 1:12.xx in traffic and with the wing I ran consistent groups of 1:11.xx in traffic and a golden lap of 1:10.76 on NT-01s.

I think my current setup has a 1:09.5 in it as my virtual best lap is a 1:09.84 and I have never pushed the car or driver to the limit as the track is not a forgiving track and nearly all incidents would end very badly for the car there. I also think that if the car was on R7s it could drop another 1 to 1.5 seconds there.

This is on a very short track 1.76 miles with a long roval and straight were the wing could have hurt me a bit, but still the car is 1.5 to 1.75 sec a lap quicker with the wing on that track. On tracks like NCM, Putnam Park or Road Atlanta I have a feeling it will be even greater gains, it just depends on how much it hurts me on the longer straights, and higher speed tracks.

I can tell you that I was running just the front splitter and the car had a very slight tendency to over-steer on corner exit if you got on the power to fast, once I added the wing the behavior of the car has changed to a very slight push on mid-speed corners but it is cured with the throttle very easily and I can use more throttle on corner exit. That is where all the time came from according to the data, I am on the throttle sooner with the wing.

There is little question the G-Stream wing or one like it will out perform the GT350R wing, but for the size front splitter and setup I am running it seems to be a good balance. we will see once I add the vented hood and rear undertray if I can maintain the balance.

Dave
This information is incredible! Thanks for taking the time to type that whole reply.

I'm considering many things in my "build" and downforce is one. But I also hate to spend money especially if there is no benefit to track times.

Interested more in your car also, what cage is that? Never mind won't clutter this thread, I will PM you tomorrow.

Thanks again.
 

bluestang50

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What splitter are you running? Does it still maintain the functionality of the factory PP brake ducts build into the front tray?
 

ddozier

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JamesinLittleSilver

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Getting ready for a beer. TDC and me.
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TDC

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Good to meet you James. Windshadow.com should have pics from NJMP up on his site this Sunday.
 

JamesinLittleSilver

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Good to meet you James. Windshadow.com should have pics from NJMP up on his site this Sunday.
Great meeting you too. Looking forward to the pictures, I need one for my license plate frame that I bought and realized would cover NJ....:frusty:.
Let me know when you start up next year.
 

TDC

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G0050 in action at NJMP

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