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CH 409
CANONICAL:hpde.tv/channel/singlespeed427
SingleSpeed427
INDEXED VIA YOUTUBE · UNCLAIMED CHANNEL
57 YT SubsDriverDRIVER@singlespeed427·South Haven, MI·Home Track: Grattan Raceway
From @singlespeed427 on YouTube
Just a place to share great experiences. Look for Road racing like GRIDLIFE, various vehicle upgrades, boating on Michigan's lakes, 4 wheeling in Michigan and various other hobbies and fun!
PRIMARY CHASSISHonda Civic (K-Series Club Racing), Grassroots Production Track Build, Chevrolet Corvette C7 / Grand Sport
DRIVING CATEGORYGRASSROOTS HPDE
TELEMETRY SYSTEMGoPro 4K Cockpit POV + GPS Data
ATTRIBUTED CIRCUITS2 Tracks Logged
Circuits & Track Locations in Indexed Stints:
South Haven, MISANCTION:Gridlife
//CH 409SingleSpeed427//Grattan Raceway
CHASSIS: Honda Civic (K-Series Club Racing)|TELEMETRY: GoPro 4K Cockpit POV + GPS Data|PACE: Session StintTitle-Reported|HOME CIRCUIT: Grattan Raceway
100% Attribution · Official Creator Embed
LIVE CIRCUIT CONTEXT//Grattan Raceway
3.74 MILES17 TURNSUnrestricted (103dB Standard)
CIRCUIT BENCHMARK REFERENCE LAP (VERIFIED)
2:16.42Chevrolet Corvette C7 Z06
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.
OFFICIAL DRIVER DECAL PROGRAM
Are you the driver, instructor, or creator on this circuit?
Claim your official [handle].hpde.tv subdomain channel, sync in-car telemetry to your Driver Passport, and receive an official metallic QR window decal for your paddock car.
✓ Instant Free Subdomain✓ Verified Driver Passport✓ High-Quality Metallic QR Window Decal
CHANNEL VIDEO ARCHIVE // SINGLESPEED427
Verified Channel Broadcasts & In-Car Stints (4)
Grattan Raceway
Independent
GoPro 4K Cockpit POV + GPS Data
34:26
SUPER FUN Track!! - Grattan Raceway with 3balls Racing (charity event) - 2023.09.30
By SingleSpeed427·GoPro 4K Cockpit POV + GPS Data·Honda Civic (K-Series Club Racing)
Session StintTitle-Reported
Gingerman Raceway
Independent
GoPro 4K Cockpit POV + GPS Data
16:35
Track Day ASMR - Team 41 Gingerman Raceway 2022.06.10 - HPDE Intermediate (2 sessions)
By SingleSpeed427·GoPro 4K Cockpit POV + GPS Data·Grassroots Production Track Build
1:41.20Title-Reported
Gingerman Raceway
Gridlife
GoPro 4K Cockpit POV + GPS Data
35:53
#GRIDLIFE 2020 Midwest Fest Gingerman Raceway - HPDE Beginner - My first event as a DRIVER!
By SingleSpeed427·GoPro 4K Cockpit POV + GPS Data·Chevrolet Corvette C7 / Grand Sport
1:41.20Title-Reported
Gingerman Raceway
Gridlife
GoPro 4K Cockpit POV + GPS Data
29:36
Pseudo Racing in HPDE - GRIDLIFE Midwest 2021 at Gingerman Raceway - EK Hatch vs Integra and more
By SingleSpeed427·GoPro 4K Cockpit POV + GPS Data·Grassroots Production Track Build
1:41.20Title-Reported
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CANONICAL BROADCAST DOSSIER // CH 409 PERMANENT DIAL
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