The 2 huge complications within the RB30 relate into the oiling program and crank collar. This isn’t unique to just the RB30 sequence, as being the RB20/twenty five/26 also have famous challenges With all the oil pump and oiling devices. All of them are afflicted by this difficulty (early RB26 https://deanecwwg.newbigblog.com/34145009/a-review-of-motor-rb26