CHEVROLET BLAZER CYLINDER HEAD ROCKER ARM

This Is What Happen I Was Doing Valve Cover Gaskets And I Remember That There Was Noise Like A Ticking Iv Work On Cars All My Life So I...

I Have A 1998 Blazer 2wd 4.3l V6. After Removing The Heads And Replacing A Blown Head Gasket, I Can't Get The Rocker Arm Nuts To Stay Tight...

How Do I Adjust The Rocker Arms After I Replaced A Head Gasket, Reason I Cant Get It Started Now