I am getting ready to put a new cam in my '87 GN. I've never done this before but have worked on engines in my younger days and am pretty mechanically inclined. Anyway, I was thinking of going with a Comp cam but after reading some of these posts, I'm wondering if there isn't a better cam. I want the best and money isn't going to hold me back from getting the best. The car has had extensive work done to it by the previous owner and a mechanic. However they are both deceased so I can't talk to them. So far I have gotten down to the rockers which are T&D 1.65 rockers and blue in color. I have no idea what that means. I don't know what cam is in the car now but it has a flat lobe and needs to be replaced. Any suggestions on cam choice from the experts? The car is a street car as opposed to the drag strip but it has extensive modifications. Also wondering what is the minimum I'll have to remove from the engine to get the old cam out? The car has an in front of the radiator intercooler so can I get the cam out without removing the radiator? Any help ot suggestions will be greatly appreciated. I'll keep this thread updated as I get farther along on the project. Thanks for any input.