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9,000RPMHPDETVTHE GRASSROOTS MOTORSPORT NETWORK
HPDE.TVCREATORS & DRIVERSMark Polunin
OFFICIAL CHANNEL ↗
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CHANNEL TELEMETRY & CREATOR IMPACTServer-side verified rotation metrics for Mark Polunin
Direct Views12
Stint & Modal Plays0
Hero Rotations4
Outbound YT Clicks0
Vault Slots
4 / 12Free 12
CH 1508
CANONICAL:hpde.tv/channel/mark-polunin
YouTube
Mark Polunin

Mark Polunin

INDEXED VIA YOUTUBE · UNCLAIMED CHANNEL
312 YT SubsDriverDRIVER
@markdrives·Buttonwillow, CA · Rosamond, CA·Home Track: Willow Springs International Raceway
From @markdrives on YouTube

Building 2003 ST4 350z! Used to race #380 1998 spec boxster with POC, and a 99 #0 Spec Miata with NASA Street Cars owned: MK6 GTI, NB Miata, RX8, 987 Boxster, ND Miata, LS3 C6 corvette, BMW 328D

VISIT OFFICIAL CHANNEL ↗Browse All 1569 Channels
PRIMARY CHASSISPorsche 718 Cayman GT4 / Clubsport, Mazda Spec Miata / MX-5
DRIVING CATEGORYGRASSROOTS HPDE
TELEMETRY SYSTEMGoPro 4K Cockpit POV + GPS Data
ATTRIBUTED CIRCUITS2 Tracks Logged
Circuits & Track Locations in Indexed Stints:
Buttonwillow, CARosamond, CASANCTION:National Auto Sport Association (NASA)
Title-Reported Lap Times (2 Indexed):
1:31.89@Willow Springs International RacewayTitle-Reported1:31.995@Willow Springs International RacewayTitle-Reported
9,000RPMHPDETVTHE GRASSROOTS MOTORSPORT NETWORK//CH 1508Mark Polunin
@markdrives
1:31.89 Spec Boxster Willow Springs Qualifying Lap
CHASSIS: Porsche 718 Cayman GT4 / Clubsport|TELEMETRY: GoPro 4K Cockpit POV + GPS Data|PACE: 1:31.89Title-Reported|HOME CIRCUIT: Willow Springs International Raceway
LIVE CIRCUIT CONTEXT//Willow Springs International Raceway
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 // MARK POLUNIN

Verified Channel Broadcasts & In-Car Stints (4)

Grassroots In-Car Stints
Willow Springs International Raceway
Independent
1:31.89 Spec Boxster Willow Springs Qualifying Lap
GoPro 4K Cockpit POV + GPS Data
2:02

1:31.89 Spec Boxster Willow Springs Qualifying Lap

By Mark Polunin·GoPro 4K Cockpit POV + GPS Data·Porsche 718 Cayman GT4 / Clubsport
1:31.89Title-Reported
Willow Springs International Raceway
Independent
POC Spec Boxster Win - Willow Springs International Raceway
GoPro 4K Cockpit POV + GPS Data
20:49

POC Spec Boxster Win - Willow Springs International Raceway

By Mark Polunin·GoPro 4K Cockpit POV + GPS Data·Porsche 718 Cayman GT4 / Clubsport
1:27.40Title-Reported
Buttonwillow Raceway Park
NASA
What it's like to race Spec Miata - Immersive POV (NASA SoCal Buttonwillow CW)
GoPro 4K Cockpit POV + GPS Data
12:49

What it's like to race Spec Miata - Immersive POV (NASA SoCal Buttonwillow CW)

By Mark Polunin·GoPro 4K Cockpit POV + GPS Data·Mazda Spec Miata / MX-5
1:54.60Title-Reported
Willow Springs International Raceway
Independent
1:31.995 Spec Boxster Hotlap @ Willow Springs
GoPro 4K Cockpit POV + GPS Data
2:48

1:31.995 Spec Boxster Hotlap @ Willow Springs

By Mark Polunin·GoPro 4K Cockpit POV + GPS Data·Porsche 718 Cayman GT4 / Clubsport
1:31.995Title-Reported
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