Historic Tarmac Navigator
Verified 100-Octane Ethanol-Free Depots & Classic Mechanical SpecialistsScenic Alpine Passes & Touring Stages
Curated driving corridors engineered for air-cooled flat-sixes, carbureted Colombo V12s, and vintage grand tourers.
CURATED DRIVING CORRIDORS:
Italy / Swiss Border
PASS OPEN & MONITORED
Stelvio Pass (Passo dello Stelvio)
Trafoi switchback wall ascending through glacial cliffs
Stage Distance
48 Kilometers
Hairpin Turns
48 Switchbacks
Summit Peak
2757 Meters
Tarmac Rating
Pristine
Optimal Machinery Selection
Porsche 911 Carrera RS 2.7 / Alfa Romeo 33 Stradale
Gearing optimized for 2nd and 3rd gear ascents. High-flow oil coolers recommended for extended alpine throttle loads.
Ethanol-Free High-Octane Supply
Eni Super 100 Octane (Bormio & Trafoi Valleys)
Avoids modern ethanol phase separation, vapor lock in triple Weber/SU carburetors, and protects historic rubber fuel lines and magnesium float bowls.
WAYPOINT CHECKPOINT STAGES:
Stage 01: Valley Staging & Tire Warm-UpKM 0.0
Check-In
Stage 02: Switchback Ascent & Hairpin ApexKM 24.5
Timing Control
Stage 03: High Summit Refuge & DescentKM 48
Gavel Finished