As of now I am running 1.9 modded rockers and 105# crow springs. I also have viton valve seals and ZZP LS style "steel" retainers. Down the road a bit I am planning to get a cam, either the S1X or the XP. I have heard that with the XP cam I would need to get the "modified steel" retainers from ZZP, but what about the S1X? Intense's website site states it can be used with stock rockers, seals, retainers, etc. However, the S1X is so close to the XP that I assume would mean I would need the modified retainers with it as well? Or would my current valve train set up be okay with the S1X? - 105 springs, ZZP regular steel retainers (not modded), and viton valve seals. I want to do it right the first time, and not have problems with the road.. I'm sort of confused...
