I just did a transmission flush, which is considered my 5th drain/fill, drain/refill x3 prior in a 4 week span. The procedure was to drain the fluid via removing drain bolt. approxiamtely 3 quarts has been removed and the remainder of the fluid in 6.4 qt. capacity auto transmission. Replace drain bolt with new washer, and open fill hole with a large funnel, add 3 qts of new fluid plus 2 more to over fill and disconnect the return line , attached that end to a container. Start engine,watch fluid level, calculate how much is removed.Repeat process while adding fluid till the fluid that is transferred to the container turns red. After that is confirmed, add fluid to bring it up level.I added the SF-Z1 made for Honda plus I installed a Magnefine filter and MMAAAAAAAAN, BIG DIFFERENCE,smoooth shifting and hopefully it has enhanced friction modifiers and detergency to keep things clean. Would it be alright to add SX-UP to the transmission fluid? Molakule or Terry , help me out. Thanks