ROCKER ARM ADJUSTMENT SD STYLE

Like all high performance engines, the SD 455 requires a periodic valve adjustment to keep it running at it's peak. The first time I did mine, I found the Pontiac Factory Service Manual's description of how to do it, missed the mark. These pages will walk you through the process step by step.

~WHERE TO BEGIN~

~ COLD CLEARANCE SETTING ~

~FINAL ADJUSTMENT~

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