ls4 Dod delete, should I change oil pump?
#2
Yed i did ,i used ls1-4.8 or 5.3 oil pump. Install the ls4 spring into any of these, will be close to 80 psi start up pressure. Hot pressure 60-65 psi. I did this on both of my 5.3 gen 4 swaps. Chuck ls4 malibu & ls4 turbo s10