"Parmas" Motor

[Yoda]

Originally Posted by cdydjded

Dont worry about the scavenge pump. It really doesnt apply to your issue. You oil feed line should be a -3 or -4 hose & your oil return should be a -8 or -10.

Here is a pic of the oil feed pressure restrictor:
Attachment 39382

This lowers the oil pressure going into the turbo. You dont need any more than 30-40psi of oil to go into the turbo.

Question. What if the restrictor is placed not on the turbo itself but from the feeding source and the the feed line run from it to the turbo. You should get the same pressure through the line to the turbo right. Reason i ask is that it would be a real pain and much labor for me to take out the turbo to put the restrictor on it. I would rather put it on the source.