I plan on plumbing in a Earls -4 AN oil filter on the oil feed to my 6776BB . I'm going to come right off of the - 4 AN oil restrictor fitting with a female to female -4 AN tube 90 degree fitting with the filter right on the other end of the 90 (towards the front of the car) .and then -4 AN hose/ 2 x 90 degree fittings into the block tee . I figure this way there will be less drain back from the filter keeping the filter horizontal rather on the vertical feed line . and also allowing easy access for cleaning the filter when needed. Good or bad idea ???? should get the filter in 10 days or so in the mail , I'll post a few pics when it's finished