jdubb Well-Known Member Joined Apr 12, 2005 Location Gastonia Aug 6, 2010 #26 2001 4x4 2500 suburban 6.0L 4.10s get 10mpg town maybe 8 towing, premium when towing to lessen pinging. I also drive like a granny when towing as the thing will drop to zero MPG if you try to smash on it.
2001 4x4 2500 suburban 6.0L 4.10s get 10mpg town maybe 8 towing, premium when towing to lessen pinging. I also drive like a granny when towing as the thing will drop to zero MPG if you try to smash on it.
