I have been using a fram (sorry) HP1 filter on my 383 LT1. The more I read (go figure) the more I see I have been living in a fog of missconceptions sp?. Any suggestions, I'll be changing to 5w40 redline from 15w50 royal purple...help I R Pilot, Not oil filter expert...
![pat.gif](https://bobistheoilguy.com/forums/graemlins/pat.gif)