When I picked up my engine from a Mopar leaning machine shop it had a little oil filter on it that was used through the whole dyno sessions. When I asked the builder about it, he just laughed and said that he uses a small filter to clear the dyno headers and that it would be fine to run the small filter. I thought I had a pic of it somewhere but I can't find it. I think it was the small filter that was used on the 2.2 engines.
