TwinTurbo.NET: Nissan 300ZX forum - The man in the big brown truck has cometh..
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Subject The man in the big brown truck has cometh..
     
Posted by Ash's Z on March 30, 2005 at 2:49 PM
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Message Sent the manifolds off to Suncoast Heat Treatments to have the manifolds post-weld stress relieved. $110 for the treatment, and now they look used, LOL.

One of the nice things about doing this is that I cut the flange in-between each port to allow the pipes more lee-way for thermal expansion. When I cut the flange through, everything remained in the same place, which I was expecting since the heat-treating process is supposed to relieve any internal stress of the part.. None of the parts 'sprung' when I made the cut.. Now hopefully I can get ~10K miles out of them before they crack...

Shouldn't be very long now before the car is on the roads.. :)




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