rotella syn oil? March 16, 2011, 10:26:01 AM anyone tried rotella t synthetic oil[5-40] in a 5.0? have been usingmobil 1 10-30. might be a little thick when warm? ive been told notto go w/ that thick of oil in the mod motors. what about the windsors. Quote Selected
rotella syn oil? Reply #1 – March 18, 2011, 07:08:31 PM my dad has a 99 escort that he runs it in and loves it. it has 259xxx on it and runs like a top. i have a 87 tbird with a slighly modded 5.0 with 222xxx on it and i run the shell 10w 30 syntetic blend (silver jug). runs great, lifters are quiet and it dont use much. i like the stuff Quote Selected
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