Message: I'm going to attempt degreeing my stock cam. Just wondering what a good advance would be for this engine. (3.9 V6, 1.7RR, Superchips performance prog, Crank sensor mod, IAT Mod ,V8 TB)I bought the Mopar performance Double roller timing chain with 4deg advance and retard keyways. Will I need offset keys for this? Should I adjust injector sync as well?