89 Grand Marquis Oil question(s)

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#11

02-15-2011, 02:38 AM

87_Crown_Vic

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Join Date: Jan 2008

Location: United States

Posts: 543

all you can do is try it and see what happens... these cars are forgiving

#12

02-16-2011, 02:53 PM

OSDCrusher

Junior Member

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Join Date: Feb 2011

Posts: 7

Thank you, 87_Crown_Vic, I will use synthetic 10W-30 from now on.

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