In my younger days bought a ck converter heard a rattle before I installed it … called .. it’s fine they all do that … installed it lasted 5 min great product
My 87 gn didn’t come posi best way to tell if it’s low mile like mine was the non posi had aluminum rear drums … first mod was Eaton rear diff an more spline axles
Weld magnum 2.0 rides better than a new caddy 3.5 front 8.5 rears on gn an tta … 275/60/15 mt drag radials. Kumho solo 26.7. Fronts .many people ask why I have diff wheels on front than back. I tell them I couldn’t afford the rear forged lol… that’s my same daughter diff ages . Can drive both...