take the oil pump out first and piece it together to see if theres a piece missing. If everything seems to be there id just replace it with a new one. Take the oil filter off and cut in half to check for bearing material and also check old oil for debris. if looks good oil change, new pump and...
Something is wrong try 18psi long enough burn out to see smoke then launch at 5,500 by not dumping! Thats a good starting point. My point being is if you cant hook now with less power more power isnt gonna hook at all.
Do a search theres a video of it and boostworks developed a hard plastic elbow to cure the problem with the stock rubber procharger one.
Im only trying to help like i said Whipple is the best or Paxton for centi. Good luck OP with your choice.