So can you all tell me why everyone bushes lifter bores to restrict oil to the top end on a B1MC headed, T&D paired shafts, KB block engines that will be push rod oiled? I am confused why it is bad to restrict oil thru pushrods vs. lifter bushings. I have spent many hours reading thru old posts here but have not found any solid answers as of yet. I would like to bush my block but need to make up my mind on how to restrict the oil to the top. Ken Black does not think it is necessary but everyone else has different opinions. I would like to think oil to the lifters would be your friend but I have seen a lot of people here restrict it in the bushings. So please help.
Thanks