Rotella Oil
Does anyone use Rotella T-6 full synthetic 5W40 motor oil in their RV? I have a 1994 Chevy 454 with 50K miles on it. I use Rotella T-6 in everything I have and was getting ready to change oil in...
Forum Discussion
not real sure but I think my book says not to use 40 weight 99 flair 454
