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karstgeo72

karstgeo72

INDEXED VIA YOUTUBE · UNCLAIMED CHANNEL
1.6K YT SubsDriverDRIVER
@karstgeo7290·Alton, VA·Home Track: Virginia International Raceway (VIR)
HPDE.TV Indexed Telemetry Summary

karstgeo72 has 5 indexed track day onboard sessions on HPDE.tv across Virginia International Raceway (VIR), Dominion Raceway, Virginia International Raceway (Alton, VA) piloting Audi Sport (RS3 / R8 / TT).

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PRIMARY CHASSISAudi Sport (RS3 / R8 / TT), Grassroots Production Track Build
DRIVING CATEGORYGRASSROOTS HPDE
TELEMETRY SYSTEMGoPro 4K Cockpit POV + GPS Data
ATTRIBUTED CIRCUITS3 Tracks Logged
Circuits & Track Locations in Indexed Stints:
Alton, VASANCTION:Sports Car Club of America (SCCA)
9,000RPMHPDETVTHE GRASSROOTS MOTORSPORT NETWORK//CH 1080karstgeo72
@karstgeo7290
Black/red combined full session 4 day 2 Audi Club at VIR with new optimal time in the 2:09s
CHASSIS: Audi Sport (RS3 / R8 / TT)|TELEMETRY: GoPro 4K Cockpit POV + GPS Data|PACE: 1:59.80Title-Reported|HOME CIRCUIT: Virginia International Raceway (VIR)
LIVE CIRCUIT CONTEXT//Virginia International Raceway (VIR)
3.74 MILES17 TURNS
CIRCUIT BENCHMARK REFERENCE LAP (VERIFIED)
2:16.42Chevrolet Corvette C7 Z06
SYNC SETUP TO HPDE.APP
REFERENCE LAP TIMES BY CHASSIS CLASS
Miata / GR86 / BRZ2:31.80
205/50R15 200TW
Momentum priority through high-speed transitions.
E46 M3 / C5-C7 / Mustang2:18.50
295/30R19 Front · 325/30R19 Rear
Heavy brake threshold zone damping support.
GT3 / GT4 / Time Attack2:12.10
Pirelli Trofeo R / Hoosier R7
High downforce stability over apex curbing.
TARGET TIRE PRESSURES & ALIGNMENT
COLD TARGET PSILF 26.5 · RF 25.5LR 25 · RR 24.5
HOT TARGET PSILF 32.5 · RF 32LR 30.5 · RR 30
CAMBER: Front -3.2° / Rear -2.2°
BRAKE SPECIFICATION & ROTOR HEAT
FLUID: Castrol SRF DOT 4 (>590F Boiling)
PADS: Hawk DTC-70 / Pagid RSC1
⚠ Pad inspection recommended every 4 track sessions.
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CHANNEL VIDEO ARCHIVE // KARSTGEO72

Verified Channel Broadcasts & In-Car Stints (5)

Grassroots In-Car Stints
Virginia International Raceway (VIR)
Independent
Black/red combined full session 4 day 2 Audi Club at VIR with new optimal time in the 2:09s
GoPro 4K Cockpit POV + GPS Data
24:03

Black/red combined full session 4 day 2 Audi Club at VIR with new optimal time in the 2:09s

By karstgeo72·GoPro 4K Cockpit POV + GPS Data·Audi Sport (RS3 / R8 / TT)
1:59.80Title-Reported
Virginia International Raceway (VIR)
Independent
VIR Audi Club black group Catalyst optimal lap
Garmin Catalyst Audio Coach
2:10

VIR Audi Club black group Catalyst optimal lap

By karstgeo72·Garmin Catalyst Audio Coach·Audi Sport (RS3 / R8 / TT)
1:59.80Title-Reported
Virginia International Raceway (VIR)
Independent
Vitour Tempesta P1s w/Water Razor Technology in the rain at VIR w/TSCC
GoPro 4K Cockpit POV + GPS Data
3:00

Vitour Tempesta P1s w/Water Razor Technology in the rain at VIR w/TSCC

By karstgeo72·GoPro 4K Cockpit POV + GPS Data·Grassroots Production Track Build
1:59.80Title-Reported
Virginia International Raceway (VIR)
Independent
Best lap from Friday's happy hour with TSCC 2026 Mem. Day HPDE at VIR
GoPro 4K Cockpit POV + GPS Data
2:41

Best lap from Friday's happy hour with TSCC 2026 Mem. Day HPDE at VIR

By karstgeo72·GoPro 4K Cockpit POV + GPS Data·Grassroots Production Track Build
1:59.80Title-Reported
Dominion Raceway
SCCA
PB lap around Dominion Raceway from my Garmin Catalyst SCCA Track Night in America 5/15/2025 adv grp
Garmin Catalyst Audio Coach
1:50

PB lap around Dominion Raceway from my Garmin Catalyst SCCA Track Night in America 5/15/2025 adv grp

By karstgeo72·Garmin Catalyst Audio Coach·Grassroots Production Track Build
Session StintTitle-Reported
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