The n62 valve cover is a bit more robust than some other models. Warping is not as common. I have heard many times of the n62 valve covers having to be redone because of it not seating right, the gasket being rolled, or not using RTV on the half moons in the back. I redid mine and I think it seeps a little because of an improper torquing sequence. If you haven’t done the valve stem seals yet you might want to wait until you can do those at the same time.


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