Make The Case: Iron vs. Aluminum Engine BlocksPerformance Racing Industry

For many racers, choosing which engine block material to invest in often comes down to two factors: cost and strength. But as our two advocates in this month’s column explain, the science behind how these materials behave under the stresses of a motorsports environment—along with steady advances in block design and manufacturing—have introduced other important factors to consider when choosing between cast iron and aluminum.

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