R027
Hillclimb Beast
1978 Chevrolet Caprice
R024
The Hill Climb Sprinter MX-2150 transforms the 2012 Coachman Prism 2150LE RV into an aggressive hill climb sprint machine built to tackle steep, technical mountain courses. The build’s signature widebody arches extend the track width by nearly a meter per side, maximizing lateral grip on tight switchbacks while its raised, adjustable suspension balances terrain compliance with sharp handling. A re-engineered hood features a prominent heat extractor vent and aero scoop to cool the high-output 4.0L naturally aspirated V8 specially tuned for thin air at altitude. At the rear, the original hatch is replaced with a lightweight carbon composite clamshell supporting a full-width roof-mounted wing designed to generate maximum downforce at slow speeds. The sharp, brutalist body lines slice through turbulent mountain winds, while a vivid race livery with sponsor decals amplifies the car’s presence on early morning ascents. This build is a masterclass in converting an unconventional RV platform into a hill climb sprint contender with function-driven aggression and engineering precision.
Blueprint // R024
Built specifically for short, steep mountain ascents with tight switchbacks, the MX-2150’s expanded track width and adjustable suspension provide exceptional lateral grip and composure. The raised ride height and coilover tuning allow adaptation to uneven surfaces, while the aerodynamic package stabilizes the car in turbulent, variable wind conditions typical of alpine racing environments.
Massive widebody arch extensions increasing track width by 480mm per side
Raised ride height of 180mm with adjustable racing coilovers
Truncated rear hatch replaced with lightweight carbon composite clamshell
Sharp edges and hard crease lines for aero efficiency in turbulent mountain winds
Large functional heat extractor vent with raised aero scoop and cooling slats
Full-width rear wing mounted partially above the roof line for low-speed downforce
Hood re-engineered for optimized engine cooling and airflow management
Aerodynamics on the MX-2150 emphasize functional downforce and cooling tailored for hill climb dynamics. The large hood extractor with raised scoop expels heat efficiently from the high-output engine bay, while the full-width rear wing mounted above the roofline generates critical downforce at low speeds. Sharp, angular body surfaces cut through turbulent mountain winds, enhancing stability and driver confidence during aggressive cornering.
Forgeline 18x12 forged aluminum wheels front and rear
315/40R18 Hoosier sprint radial tires for maximum grip on varied terrain
Forgeline 18x12 forged aluminum wheels provide a strong yet lightweight foundation critical for handling the extreme lateral loads during hill climb sprinting. Wrapped in 315/40R18 Hoosier sprint radial tires, the setup delivers aggressive grip and durability on mixed asphalt and variable road surfaces encountered on mountain courses.
The stance of the MX-2150 is defined by its massively widened track and elevated ride height, striking a balance between stability and terrain compliance. Adjustable coilovers allow fine-tuning of ride height and damping to suit track conditions, while the widebody arches accommodate the oversized wheels and tires without sacrificing aerodynamic flow.
High-output 4.0L naturally aspirated V8 modified for high-altitude performance
Engine tuning focused on maximizing power and response in low oxygen conditions
The heart of the MX-2150 is a 4.0L naturally aspirated V8 meticulously tuned for hill climb demands. Modifications include optimized intake and exhaust flow to compensate for reduced oxygen at altitude, allowing the engine to maintain high power output and throttle response during steep ascents. Cooling enhancements paired with the large hood vent ensure consistent thermal management under sustained load.
Paired with a robust drivetrain designed for quick power delivery and reliability, the MX-2150 features a race-spec transmission calibrated for aggressive gear changes and torque management. The drivetrain channels engine output to a reinforced rear axle, developed to handle the increased stresses of hill climb sprinting and the widened track geometry.
Carbon composite rear clamshell fabricated for weight reduction and structural rigidity
Widebody fenders custom formed and welded to accommodate extreme track width
Custom heat extractor and aero scoops integrated into hood with functional cooling ducts
Wave Release
Alright, buckle up because we just finished crafting a wild collection of hillclimb beasts that redefine what it means to conquer mountains. Forget what you know about SUVs, city cars, or muscle classics—they’re all morphed here…
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