Posted by Kralovic on Thursday, December 05, 2002 at 4:27PM :
In Reply to: i use 5w 30 in my yukon posted by mannyc on Thursday, December 05, 2002 at 10:31AM :
i use royal purple 30w synthetic in my 230 m37. oil pressure increased by 8psi at hot idle, but does leak. $75.00 for 5 gal.