The article in the link refers to converting an older engine set up for bypass oil filtration to full flow, which has already been done by the factory on later model GMC engines such as the 270's and 302's made from the mid-1950's and later. I have a complete GMC full flow filter system stashed away somewhere, and it has a huge filter canister and lines about 5/8" in diameter. If I choose to use it as a primary filter on an engine build at sometime in the future, I will still add a bypass filter with extremely fine weave media as a backup. One such filter is the "Frantz" design which uses a roll of industrial-strength toilet paper as a filter ("John Wayne" paper- - - -rough and tough, and won't take "stuff" off of anyone!) It does a great job of filtering oil, but it can't flow enough volume to keep an engine supplied. Hence, the need for a full flow filter to catch the rocks, marbles, and bowling balls!
30+ years of teaching high school auto mechanics to a bunch of ghetto gangbangers who knew a lot about stealing cars, and virtually nothing about fixing them has a tendency to make me speak very directly when myths about mechanical stuff get repeated. Some of those hardcore misfits are making a good, honest living using the skills I was able to pass on to them. Others are graduates of the River Bend school of advanced thuggery. River Bend is the Tennessee State Prison facility near Nashville. Keeping in touch with members of both groups can have advantages at times.
Jerry
I don't mind directness as long as it comes with all the information this post does, I really just want to learn from everyone here. I'm a big research guy and like facts before I dive into things. Its good to know I don't have to modify this, I want to keep it looking as original as I can while improving anywhere I can. Now this came out of a bus so just need to find the appropriate replacement filter. Also after your post I did research and learned the true inefficiency that model spin on have, something i never took into consideration as thats only things I have really had to deal with in my more modern engine experiences.
