The 2 huge difficulties over the RB30 relate towards the oiling program and crank collar. This isn’t unique to just the RB30 collection, as being the RB20/25/26 also have pointed out challenges Using the oil pump and oiling units. All of them are afflicted by this concern (early RB26 only). https://r33rb26dettengineforsale60369.webbuzzfeed.com/28754785/5-simple-techniques-for-rb26-engine-for-sale