thanks. only reason i ask is, to install the springs pretty much requires pulling the heads. i know you can fill the cylinder with air to hold them up but it requires a special spark plug threaded fitting piece.

The motor is fresh, only has about 30k miles on it and i dont want to have to pull it down again to do the work. I just want a decent mild cam, increase some power. already has headers, edelbrock intake, edelbrock carb, comp cams double roller timing set. i think i have found a good cam that will work great.