ducky i can tell ya buddy i wouldnt buy a used converter.its so hard too tell if theyre going to be any good save a few more pennies,and get a new one .even if it came out of a so called good tranny ya just dont know,and god forbrid it came out of a blown or just idk what happened to my tranny but i know the torque is good.ya know what im saying.be careful.honestly just bcause my experience with trannies i would never buy a used converter without actually knowing what happened to it in its other life.maybe a buddy or something but thats it.my 2 cents
mods:2004 sierra ext sb,20s ,big brake kit w,hawk pads,air bagged,2006 6.0 lq4 swap,vortec supercharged10psi, air to water intercooled w/ dual electric fans on it ,snow meth injection kit,60lbers, e-fans ,big radiator swap ,cam 218 /222 548/550 comp .hardened prs .1.85 comp roller rockers ,guideplates ,crane double springs,trans 4l65e built .pacesetter l/ts true duals w/x pipe and magnaflows,14 bolt rearend swap ,3.73s,aroemotive fuel pump system w/elec.fuel controller and bypass regulator a/n fittings, taylor 10.5s interceptor gauge,aem w/b a/f ,autometer boost/vac NELSON 93 OCTANE TUNED .