NISSAN RB26DETT FOR SALE NO FURTHER A MYSTERY

There is a frequent oiling trouble with the pre-1992 R32 RB26 motors, since the surface area the place the crankshaft meets the oil pump was machined too tiny, sooner or later bringing about oil pump failure at significant rpm. This difficulty was resolved in later variations in the RB26 using a wider oil pump drive, which can be present in all R33