75 280Z was running before I swapped my 5 speed, engine was rebuilt 1 year ago and running fine but I don't know if timings are correct never care to check it. Now my idiotic mind played. So upon the process I did replaced oil pan gasket, rear main seal and the oil pump gasket because it is leaking oil everywhere. I know that I had to put engine in TDC before removing the oil pump, now my mistake I forgot to put it back correctly so it probably messed up the timing??? Second I pressure wash