Nodalmighty Posted March 2, 2012 Share Posted March 2, 2012 I know the flange is different and the port shape but do the centres align? Lyndon Quote Link to comment Share on other sites More sharing options...
Nodalmighty Posted March 3, 2012 Author Share Posted March 3, 2012 Anybody? This sounds like a Chris Wilson question Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted March 3, 2012 Share Posted March 3, 2012 Port spacing is broadly similar, stud pattern and quantity very different. The N/A was not designed with reliably containing more PSI than the intake boost pressure within the exhaust manifold, so they had no need for as many fasteners. Quote Link to comment Share on other sites More sharing options...
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