Off-road racing proves to be on target for research data.

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American Axle & Manufacturing Holdings Inc. (AAM) has expanded its efforts to utilize off-road racing as a research and development testing tool.

This fall, AAM began supplying parts to legendary racer Rod Hall and learn Hummer in their quest to reach victory lane in the SCORE-International Off-Road Racing Series and the 40th annual Baja 1000.

AAM is a leader in the manufacture, engineering, design, and validation of drive line and drivetrain systems and related components and modules, chassis systems, and metal-formed products for light trucks, sport-utility vehicles, and passenger cars.

AAM's 9.25" front-open-axle differential and 9.25" TracRite GT helical-axle differential are used by several race teams in the Championship Off-Road Racing (CORR) and World Series of Off-Road Racing (WSORR) series. These differentials, modified versions of OE differentials that are featured on the popular GMC Sierra HD and Chevrolet 2500/3500 HD trucks, are housed in AAM's PowerLite aluminum axle-case housing.

AAM gathers data from three key race series: SCORE and its Desert Racing Series with Team Hummer, CORR in Pro-4 class pickups, and WSORR in Pro-4 class pick-ups.

AAM uses off-road race testing to improve its original equipment, aftermarket, and prototype parts, focusing on dynamics and vehicle-handling engineering. The race series allow AAM to gather valuable nontraditional product-research data in harsh environments and track configurations.

For Team Hummer's H2 driven by Josh Hall, AAM supplies 4.10 PowerDense gear sets in front 9.25" open and TracRite GT helical-axle differentials. The rear features an AAM 9.5" axle with...

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