You will find there's typical oiling dilemma with the pre-1992 R32 RB26 motors, because the surface in which the crankshaft meets the oil pump was machined also tiny, inevitably bringing about oil pump failure at high rpm. This issue was fixed in later versions in the RB26 having a broader https://rylangaskd.blogpostie.com/53050485/a-simple-key-for-nissan-skyline-engines-unveiled