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Once clearance is checked and verified to be OK, the valve covers are thoroughly cleaned of all metal shavings and set atop the heads. Being sure to use a new GM valve cover gasket (PN 12560696), torque the stock valve cover bolts to 106 in-lb. Turn the crank over at least twice (one cam revolution) and make sure you don't hear any contact under the covers. If it sounds OK and there's no binding as you're trying to turn the crank, you should be good to go! View Related Article
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