1. 

   72Rivguy Carl, Buicks Are the Best

   Two of my 72 455's had cracked exhaust manifolds. Is this something unique to early 70's 455s or am I just unusually lucky?

    

   72Rivguy, Nov 4, 2003

   #1
2. 

   flynbuick Guest

   Seems common. Had one too. Perhaps a bad sequence of torque.

    

   flynbuick, Nov 4, 2003

   #2

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