I installed Polyurethane Bushings in my control arms, and drilled and tapped them with zerks fittings. I have been using plain old chassis grease. Is there something more correct that I should use?
This, and some use the Super Lube synthetic clear stuff as well (it's actually recommended by UMI (performance suspension component company) for use in it's Roto-Joint control arm/panhard/a arm/etc. ends with poly or delrin bushings.
But, the Prothane/Energy Suspensions products are MUCH thicker/tackier, and WILL outlast the Super Lube like 10 to 1.