Thread: Mercruiser 3.7 distributor & fuel pump questions
View Single Post
  #4  
Unread 05-08-2012, 07:38 PM
spareparts's Avatar
spareparts spareparts is offline
God
  
Join Date: Oct 2006
Location: Raleigh, NC
Posts: 6,192
Default
Rotella SAE 40. The oil pressure will drop a bunch when its hot, those engines don't use cam bearings, the cam floats in the aluminum block, once it gets hot, the clearances open up
Reply With Quote