The two big troubles over the RB30 relate towards the oiling process and crank collar. This isn’t particular to just the RB30 sequence, as being the RB20/twenty five/26 even have noted concerns While using the oil pump and oiling methods. They all are afflicted with this problem (early RB26 only). https://r33-rb26dett-engine-for-s70471.prublogger.com/27859968/the-greatest-guide-to-rb26-engine-sale