Time for a flush and fill. As much as I would like to put some Redline or Amsoil in there, 12qts is going to set me back too many $$.
So I'm looking for a good, preferably inexpensive synthetic that into which I would not have to add GM friction modifier. I just don't want to go to the dealer.
So I'm looking for a good, preferably inexpensive synthetic that into which I would not have to add GM friction modifier. I just don't want to go to the dealer.