mean machine
New Member
- Joined
- Jan 9, 2011
- Messages
- 65
- Reaction score
- 0
- Points
- 0
- Location
- mt morris pa
- Vehicle Year
- 1989
- Make / Model
- ford
- Engine Size
- 2.9 v6
- Transmission
- Manual
hello i have read in a manual to use gl4 gear oil in the fm146 all i can find is gl5 whats the difference right now i have walmart 75w90 synblend in it and it seems ok but what do you guys think ??