Continue this wave
2004 Nissan Armada
Media library
10 photos
Original Build Studies
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Media Studies
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Story
The 2018 Chevrolet Tahoe Gran Turismo Authority redefines what an SUV can do on the endurance racing circuit. By extending the wheelbase and adopting a rear transaxle layout, this build achieves near-ideal weight distribution and handling balance, essential for long stints at speed. The functional widebody consists of squared front arches and sweeping convex rear flares that accommodate FIA-spec 330mm endurance tires, while integrated aerodynamic elements like a large dual-element rear wing and front splitter with dive planes optimize high-speed stability and downforce.
Under the hood, the stock V8 is transformed with a dry sump system and enhanced cooling fed through sidepod radiators, ensuring reliability during extended track sessions. The six-speed sequential transmission linked to the rear transaxle supports quick, precise shifts. A lowered stance on adaptive racing suspension tightens the center of gravity, completing a package that blends the Tahoe’s rugged origins with cutting-edge GT4 endurance performance.
Blueprint
The Whitepaper Room
Inspect drawing ↗Open blueprint study →Collectible Poster
Collector's Edition
Inspect poster ↗Technical dossier
Fictional engineering concept
Platform
2018 Chevrolet Tahoe
Powertrain concept
Stock V8 engine extensively upgraded for endurance reliability
Dry sump lubrication system for consistent oil delivery under high G
Sidepod-mounted radiators fed by large ducted inlets for enhanced cooling
6-speed paddle-shift sequential gearbox integrated into rear transaxle
Aero package
Dual-element rear wing mounted on 780mm-high swan-neck pylons
Front splitter extended 140mm with twin 100mm upward dive planes
Flush louvered hood vents paired with vertical radiator extractors
Sidepod radiators integrated behind front arches with large duct inlets
Chassis & stance
2018 Chevrolet Tahoe
Wheels & tires
HRE Track Series forged wheels: 19x11 front
20x12 rear
Michelin Pilot Sport GT4 330mm tires front and rear
Forged wheel centers with forged lips for weight reduction and strength
Fabrication notes
Lightweight aluminum rear transaxle housing repositioned rearward
Custom widebody panels formed for aerodynamic efficiency and tire clearance
Adaptive racing suspension components tuned for lowered center of gravity
Structural reinforcements to support widened track and aerodynamic loads
Keep exploring
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Continue the exhibitionSUV Track ProgramHere at Widebody Syndicate, we took the family haulers you thought you knew and strapped on enough aero and muscle to make race teams reconsider their choices.Build 5 of 6↗