Hey I bet Jack probally has a degree wheel and I have dial indicaters and magnetic base degreeing a cam is easy.By the way I gave him your cell # he might call you to to go move his boat sometime this week just think It'll be killer having a 110 MPH jet boat behind your truck And to post some use full info to your thread I changed my timing chain on my 460 before it was retarded and I set it up on 0 and picked up a shit load of low to mid range power.