have a 98 stratus with the ED714 2.4L it has almost 233,000km on it has had syn oil put it every 3000km she revs higher then anything but you just gotta lift a bit to get her to shift when on it! here is what i would like to know! have new trans filter and gasket, the trans fluid has never been changed since i got it in 2000 with 60,000 on it! (120kph+ highway driving) should i replace the trans fluid with lucas oil tranny fix stuff????or should i do a half and half type thing? Thanks for any help