The 2 significant difficulties over the RB30 relate for the oiling technique and crank collar. This isn’t specific to only the RB30 sequence, since the RB20/25/26 also have famous challenges Using the oil pump and oiling units. They all are afflicted with this issue (early RB26 only). This guide is https://caidenlmljg.angelinsblog.com/27876581/5-essential-elements-for-rb26-engine-for-sale