The two significant issues to the RB30 relate towards the oiling process and crank collar. This isn’t specific to only the RB30 sequence, given that the RB20/twenty five/26 also have famous challenges with the oil pump and oiling programs. All of them suffer from this concern (early RB26 only). Anyway… https://rb26-engine-sale15353.qowap.com/87886128/a-review-of-rb26-engine-for-sale