Originally Posted by wvcoolvinilla
IMO any aditives for the engine, trans and Diffs are all smoke and mirrors.. had my 97 Ram for 11 years and changed everything on schedule or before (trans fluid every 20,000 for example) and one of my employees is still driving the truck.. change your fluids people!!!
I agree for the most part. You do need to make sure to put in limited slip additive if you have a limited slip diff.