1. 

   austingta Well-Known Member

   Should a 455 use them or should stock exhaust manifolds be bolted on metal to metal?
   
   TIA
   Frank

    

   austingta, Nov 15, 2004

   #1
2. 

   flynbuick Guest

   They came metal to metal. You many need to have one or more sides trued. Do not use gaskets and torque to spec in the proper sequence.

    

   flynbuick, Nov 15, 2004

   #2

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