Thread: OK to put synthetic oil in high mileage car?
View Single Post
Old May 17, 2005 | 04:12 PM
  #15  
StreetRacingCRX's Avatar
StreetRacingCRX
None
 
Joined: Mar 2005
Posts: 259
Likes: 0
Default
You cannot mix conventional motor oil with sythentic, ask any mechanic. I have 60k miles and I use Mobil 1 and never had any problems
Reply
0