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The W Returns – Building a Chevy 409-CID “W” engine » MCP-0901-409-5

The block was cleaned up and honed prior to installation by Lamar Automotive. The block was carefully checked for cracks, all channels flushed and all threaded holes were cleaned for future bolt insertion. The block was rough honed with 220 and finished with 280-grit to seat the piston rings.

The block was cleaned up and honed prior to installation by Lamar Automotive. The block was carefully checked for cracks, all channels flushed and all threaded holes were cleaned for future bolt insertion. The block was rough honed with 220 and finished with 280-grit to seat the piston rings.


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