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The W Returns – Building a Chevy 409-CID “W” engine » MCP-0901-409-6

Lamar Walden Automotive builds custom forged aluminum pistons for these engines, cutting valve relieve holes when necessary and setting the compressions ratios as requested by customers (in our case 11:1). This is a CNC process that ensures consistency throughout the engine.

Lamar Walden Automotive builds custom forged aluminum pistons for these engines, cutting valve relieve holes when necessary and setting the compressions ratios as requested by customers (in our case 11:1). This is a CNC process that ensures consistency throughout the engine.


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