hey im still new to the site so give me some slack. i have a 4.6l 2v 281 and im building it from the ground up. i have already installed these Forged 4 6L Stroker Rotating Assembly Manley Pistons | eBay and im planning on puchasing trick flow heads. im wondering which cam i should go with, any input? or different approach before i get to far into it to change?