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With valve covers I have always started at the centre and worked towards each end in sequence one at a time towards seperate ends and only just nip the bolt up slightly.After three "nips" you can tighten firmly but don`t overtighten or you can sqeeze the seal out. By valve cover I have assumed you mean rocker cover. If you meant cylinder head the same sequence applies in basics but the final torque should be around 120 to 130 psi.

12 years ago. Rating: 0
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