You will find there's frequent oiling trouble With all the pre-1992 R32 RB26 motors, given that the area wherever the crankshaft meets the oil pump was machined far too small, finally resulting in oil pump failure at large rpm. This issue was fixed in afterwards versions with the RB26 that https://reidztmcz.blogsidea.com/37460522/the-5-second-trick-for-buy-rb26-engine