The two big difficulties around the RB30 relate to your oiling procedure and crank collar. This isn’t specific to simply the RB30 sequence, as being the RB20/twenty five/26 also have pointed out challenges Along with the oil pump and oiling systems. They all are afflicted with this problem (early RB26 https://rb26det-for-sale99666.newbigblog.com/34146373/the-best-side-of-rb26dett-complete-engine