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Best Track Times in a GT4

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Old 10-15-2023, 05:11 PM
  #1966  
garudatwo
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Here you go folks:

https://www.researchgate.net/profile...vanKoutrik.pdf

Was digging into whether EM-Diagrams exist as a concept for vehicles


Last edited by garudatwo; 10-15-2023 at 05:14 PM.
Old 10-15-2023, 08:34 PM
  #1967  
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PB at VIR, 2:06.3. Cup 2s, stock suspension, but with a DSC controller and seats/harnesses both for the first time. Wow, what a difference harnesses make - I can feel the car so much better.


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Old 10-17-2023, 09:09 AM
  #1968  
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2.15.4 at NCM during TT nationals

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Old 10-17-2023, 11:17 PM
  #1969  
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Originally Posted by aryork
PB at VIR, 2:06.3. Cup 2s, stock suspension, but with a DSC controller and seats/harnesses both for the first time. Wow, what a difference harnesses make - I can feel the car so much better.
I was really close! ran a 2:07 there yesterday (my PB)! we must have been at the same Chin event!
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Old 10-18-2023, 11:17 AM
  #1970  
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Originally Posted by Emosgarage
I was really close! ran a 2:07 there yesterday (my PB)! we must have been at the same Chin event!
https://youtu.be/myXTUBUXcH4?si=87H_xbmLdzl9AGir
Looks good! Interesting to see the car speedo vs. Harry's - they are pretty close. I was at a PCA event Friday-Saturday
Old 10-18-2023, 12:06 PM
  #1971  
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Originally Posted by ztnedman1
2.15.4 at NCM during TT nationals
You were flying and the Sunday weather was awesome for setting times.

Peter
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Old 10-18-2023, 06:59 PM
  #1972  
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Originally Posted by garudatwo
+1 on Derek being super fast and chill!

That has to be the fastest GT4 times at LRP so far, I’ve rarely seen anyone break out of the 59’s.

You might be able to get some more mechanical grip out of tires, 71RS seems to be very chatty especially when new when you’re at peak slip angle. You only get 1-2 hero laps immediately after outlap though…

https://youtu.be/xisJSfzG6H8?si=SGUPWu45kDEY2iC6
Great lap, can really feel the pace. What sort of mods does it take to get the Supra to that level? I have an M340i with the B58 engine and its such a great power plant even in stock form.
Old 10-19-2023, 08:19 AM
  #1973  
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Originally Posted by Montaver
Great lap, can really feel the pace. What sort of mods does it take to get the Supra to that level? I have an M340i with the B58 engine and it’s such a great power plant even in stock form.
Thanks! And fewer mods than you might expect:

Need
Stock powertrain, stock tune
Grassroots motorsports wing from Nine Lives Racing
Splitter with basic diy tunnels
TripleSeven diveplanes
MCS 1 way, with fairly stiff spring rates
Front LCA for static camber adjustment
No weight reduction
$300 for a full set of track pads
Track brake fluids
200tw tires of your choice

Last edited by garudatwo; 10-19-2023 at 08:26 AM.
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Old 10-19-2023, 10:26 PM
  #1974  
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Originally Posted by garudatwo
Thanks! And fewer mods than you might expect:

Need
Stock powertrain, stock tune
Grassroots motorsports wing from Nine Lives Racing
Splitter with basic diy tunnels
TripleSeven diveplanes
MCS 1 way, with fairly stiff spring rates
Front LCA for static camber adjustment
No weight reduction
$300 for a full set of track pads
Track brake fluids
200tw tires of your choice
... and need a driver of Peter's talent.
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Old 10-20-2023, 12:35 PM
  #1975  
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INDE Motorpsorts Ranch, Willcox, AZ Standard Layout less the eyebrow out of turn 7, Oct 19/23.
1:52.1
2016 GT4 with DeMan 4.5, Pirelli slicks. First laps since last Spring.
Old 11-05-2023, 01:53 PM
  #1976  
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Default 58:34 at Lime Rock Park in 981


Full set up info in YouTube video link.

Tires: Nakang CS-R 305R/265F
Camber: -3.0F/-2.6R
Mods: Fabspeed sport headers

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Old 11-21-2023, 10:34 PM
  #1977  
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First trip to VIR with great track pals and dang; that is one fun track! My video does not show up, just the data; was hoping to get pointers on Oak Tree. If you have not been to VIR, put it on your list.
Catless headers, tune and track alignment on Bridgestone RE71RS.


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Old 11-21-2023, 10:44 PM
  #1978  
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Originally Posted by ALE
First trip to VIR with great track pals and dang; that is one fun track! My video does not show up, just the data; was hoping to get pointers on Oak Tree. If you have not been to VIR, put it on your list.
Catless headers, tune and track alignment on Bridgestone RE71RS.
Those are great lap times. VIR is by far my favorite track. It’s like 2 or 3 other tracks put together. So many great sections. I agree oak tree is challenging. I still don’t have a great line through there.
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Old 11-22-2023, 09:20 AM
  #1979  
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Originally Posted by ALE
First trip to VIR with great track pals and dang; that is one fun track! My video does not show up, just the data; was hoping to get pointers on Oak Tree. If you have not been to VIR, put it on your list.
Catless headers, tune and track alignment on Bridgestone RE71RS.
Wow, great times! I must have 1000 laps there and you have me by two seconds I don't think you need any pointers from me on Oak Tree. My challenge there is being aggressive on entry speed knowing the tire barrier is not far away.
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Old 11-22-2023, 11:06 AM
  #1980  
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Same here. Would love to see the video to see where those missing seconds are….
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