what valve seals after machining guides?

Yes they are factory roller lifters. Theres no geometry issues persay, its just the fact that the lifters are so tall it put the pushrods at more of an angle so you are not transfering all of the lift in the vertical axis, some is absorbed into the horizontal axis aswell.

I was just trying to get an idea how much lift is soaked up by that to get a good ballpark for total lift at the valve.