Quote:
Originally Posted by HAEG
I use what it calls for 6 quarts Motorcraft Multi-Blend 5w-20 w/Motorcraft filter all purchsed from Wally-Mart when price was low. I think I have four case's and 3- 5 quart jugs left. I have 33,000 miles on the the factory recomended stuff w/ no issue's.
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I'm with you. I use 6Q of the Motorcraft 5W20 spec and change it between 4 and 6K miles. My daily commute is 25 miles, so the engine hits full operating temps, so no worries about condensation sludge building in mine. FYI, my old '72 Mach 1 351 CJ oil used to look like honey when I changed it at 4K... never could figure out how it stayed so clean... maybe lower engine temps?