JLM AJR

The Metalmoro JLM AJR, developed by Brazilian constructor as cost-effective sports prototype racer targeting privateer teams and endurance competition, features American-sourced Chevrolet LS3 6.2-liter naturally-aspirated V8 engine producing 593 horsepower at 6,300 rpm and 700 Nm (516 lb-ft) torque replacing initial Honda K20 turbocharged configuration due to reliability concerns, paired with Xtrac 1152 sequential six-speed transmission identical to LMP3 specification driving rear wheels through lightweight construction achieving just 820 kg curb weight. Extraordinary power-to-weight ratio exceeding 720 horsepower per ton positions AJR 80 kg lighter than contemporary LMP2 machinery while maintaining similar performance envelope, supported by purpose-designed aerodynamic bodywork, AP Racing LMP2-specification braking system, and advanced suspension geometry optimized for endurance racing applications.

The JLM AJR represents Brazilian motorsport engineering combining cost-effective American V8 power with European-spec racing components creating accessible prototype platform priced approximately €200,000 positioned below LMP3 acquisition costs while delivering superior performance capability. Initial competition debut achieved first victory demonstrating genuine competitiveness in Brazilian endurance championship series, with subsequent development introducing alternative Honda K24 turbocharged variant for teams preferring forced-induction power delivery and reduced fuel consumption versus larger-displacement V8 configuration. Advanced engineering features fully adjustable suspension enabling precise setup optimization for varying circuit characteristics, proven Xtrac gearbox providing reliable sequential shifting under racing conditions, and LS3 V8 delivering characteristic American muscle car torque curve creating accessible driving characteristics versus highly-strung European alternatives. Popular among South American privateer teams seeking professional-level prototype racing at controlled budget, the Metalmoro AJR combines proven GM powertrain reliability requiring minimal specialized maintenance versus exotic European engines, strong low-end torque delivery ideal for circuit racing acceleration zones, and comprehensive constructor support through Brazilian operations establishing domestic motorsport capability competing in regional endurance championships while offering international teams cost-effective entry to sports prototype racing representing grassroots accessibility to professional performance levels.