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Message: <blockquote data-quote="96blak54" data-source="post: 1478414" data-attributes="member: 14727">Keep in mind not all pi cam are the same. I dont know if your read the npi pi cam thread i wrote out but its about discovering camshaft profile differences. I find the actual mustang pi camshafts and the 5.4l camshafts are the best performing ones.Unless youve had good practice with the tensioner wedge so the chains dont move, 1st time doing the cam swap means pulling the front cover and removing the timing chains. Being that far along, may as well swap the heads. And if you do, do yourself a favor and grab a set of exhaust manifolds and bolts along with the swap. This way you wont be fighting rusty crap exhaust bolts potentially breaking them adding to the headaches.Keep in mind the major power increase comes from the compression bump of the pi heads smaller chambers. Both style heads are comparable in potential despite what the masses say. The fastest naturally aspirated 2v used npi ports.</blockquote>