The 2 big challenges over the RB30 relate to your oiling system and crank collar. This isn’t distinct to simply the RB30 sequence, as being the RB20/twenty five/26 also have pointed out challenges While using the oil pump and oiling methods. They all put up with this concern (early RB26 https://collinqomli.blog-a-story.com/8164425/a-review-of-rb26-engine-for-sale