Just got my pro-line powerstrokes...4 coil-over and 4 bypass. I put 40 wt oil in the back and it seems to be very soft. I have a 12lb max...should I put a stiffer spring set or higher wt. oil? or both?
Adjusted the shock positions and it does make a big difference but there is still a slight sag. Well, I put in an order for the firm and ultra firm springs. I plan on using 40 wt in the coil-overs and 50 wt in the bypass.
What's the proper way to change out the oil in the bypass since I've already put 40 in there?