A aztec12 Joined Jul 24, 2004 Messages 445 Location north carolina Aug 20, 2009 #21 I had two 4.0 gc,and i always had realy good luck with valvoline maxlife 10w30. made them run really smooth and quieter than most other oils.
I had two 4.0 gc,and i always had realy good luck with valvoline maxlife 10w30. made them run really smooth and quieter than most other oils.