89 Grand Marquis Oil question(s)

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Feb 15, 2011 | 02:38 AM

#11

87_Crown_Vic

Super Moderator

Joined: Jan 2008

Posts: 543

From: United States

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

Feb 16, 2011 | 02:53 PM

#12

OSDCrusher

Thread Starter

Junior Member

Joined: Feb 2011

Posts: 7

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

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