Originally Posted by SAM@GTM

You should really follow the instruction and install the turbo oil return in the pan and not in a spacer, adding a spacer is ok to increase engine oil capacity but will not do as good of a job when installing the turbo oil returns in the oil pan. The VQVHR engine has a lot of oil pressure (higher then the average engine) and ball bearing turbos are very sensitive to oil pressure and return volume .

Sam