well the block was sitting for a while befor I purchest it...I took it apart and cleaned it from top to bottom with cleaner but i must have missed a spot but there was debrie in the engine hence the cleaning and well you know the rest of the story LOL the only thing I can do is laugh it off and put in the new rod bearings...and repalce the oil pump with one of my other oil pump's....thank god for spare parts LOL but Im gonna put another 500 miles on the bearings befor I start to open it up the new rings are broken in and seated but I dont see this as the last of the problems with the rex it has been a problimatic pproject from day one...but what are you gonna do
art