TwinTurbo.NET: Nissan 300ZX forum - Header wrap was a bad idea, the manifolds will crack quicker
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Subject Header wrap was a bad idea, the manifolds will crack quicker
     
Posted by Chip(GinnMotorsports) on February 19, 2003 at 9:45 AM
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In Reply To Installed my TD05's this past weekend..many pics... posted by Russ ZTT (Jax, Fl) on February 19, 2003 at 07:54 AM
     
Message It is not the weight that cracks them, when the manifolds expands from the heat, it will try to push the front and rear runners away from each other. This is why they crack. The more tubular manifolds allow the manifold to expand vertically, not stressing horizontally between cylinders.

     
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