J
jbilly
Guest
10w-30 in it owners manual? ok i have a 1994 ford mustang v6 3.8 liter motor and have changed my oil ans put 10w-30 in it owners manual says to put 5w-30 in it and motocraft oil and i put 10w-30 conventaional valvoline with a fram filter ever since this my oil pressure has went higher and car driving differnent so what im asking is should i put different oil in it the reccomended kind or a different kind and a different filter or is something else causing high oil pressure and it to drive different help