the answers can be found in your car manual...quantities oil type and weight.
royal purple is expensive. to each their own i suppose.
to help you out a bit
i use 5.5 quarts and motorcraft 820-s oil filter. i have a 2000 so i run 5w30 i dont know about 2003 mustangs.
NOTE: make sure the old oil seal comes off with the old filter.
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Originally Posted by wnracing
And as far as Stanger00... I wouldn't worry about him, I think Korea has ****ed with his head... No Mustang for that long will do that to ya...
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