do you have the stock dist?
did you have this problem before or it is a new problem..
once it goes away when will it come back.. wonder why the 20 mile interval ..........that is strange.........ask your mech if he messed with anything when he installed your new radiator.
might have something to do with that hi tec cruise control you have....
Last edited by joker; 06/28/2009 1:44 AM.