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89 Grand Marquis Oil question(s)
Grand Marquis
Discuss the Mercury Grand Marquis here...
89 Grand Marquis Oil question(s)
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Feb 15, 2011 | 02:38 AM
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87_Crown_Vic
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all you can do is try it and see what happens... these cars are forgiving
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Feb 16, 2011 | 02:53 PM
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OSDCrusher
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Thank you, 87_Crown_Vic, I will use synthetic 10W-30 from now on.
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