First off I did a search and I've found many different answers as to how far off the y8 cam timing is from the z6. Does anyone know for sure? I have a crower2 y8 cam and a d16z6 head milled .030" Trying to figure out how far off my cam timing will be. I have a adj. cam sprocket and will dyno tune it but I'm just wondering a good starting point and I don't want to bend any valves of anything. Any help is appreciated.