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.050 inch , according to fordparts.com
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Where is the distributor on a Mercury Marquis?
If your Mercury Grand Marquis is a 1991 model or older . The 5.0 liter / 302 and the 5.8 liter / 351 has the distributor at the front of the engine The distributor rotor turns COUNTERCLOCKWISE
What is the spark plug gap for a 1991 mercury marquis?
The 1991 Mercury Marquis spark plug gap is .034. Most spark plugs will be pre-gapped by the spark plug manufacturer.
Where is the fuse box on a 1991 mercury grand marquis?
the fuse box on a 1991 ford grand marquis is located right under the steering wheel
How much oil does a 1991 mercury grand marquis take to fill up after the oil pan is empty?
According to my Chilton's Auto Repair Manual : For a 1991 Mercury Grand Marquis : Both the 5.0 liter / 302 and the 5.8 liter / 351 take : 4.0 U.S. quarts without filter 5.0 quarts with engine oil filter change
What is the firing order for a 1991 grand marquis 4.6 liter?
As far as I know , the 1991 Mercury Grand Marquis either had the 5.0 litre / 302 cubic inch V8 or the 5.8 litre / 351 cubic inch V8 engine . The 4.6 litre Single Over Head Cam ( SOHC ) engine was used in the Mercury Grand Marquis starting with the 1992 model year Firing order of the 5.0L which is the engine installed in the 1991 Mercury Grand Marquis is 1-5-4-2-6-3-7-8 rotor turns counterclockwise.
Will a door off a 1991 gs grand marquis fit onto a 1992 ls grand marquis?
No,they won't fit.
Which octane do you use for a 1991 mercury grand marquis?
For a 1991 Mercury Grand Marquis : " regular " unleaded gasoline , 87 octane is used for both the 5.0 and 5.8
What kind of oil does a 1992 Mercury Grand Marquis take?
I assume it would be ( 5W-30 ) like my 1991 5.0 liter V8 Ford Mustang had from the factory
What kind of oil does a 1993 mercury grand marquis take?
I would asume it came from the factory with ( 5W-30 ) like my 1991 Ford Mustang 5.0 liter V8 engine did
How do you install a fuel pump on a 1991 Mercury Grand Marquis?
It's in the tank.
Why cant you put any 5.0 engine in your 1991 mercury grand marque?
Why cant you put any 5.0 engine in your 1991 mercury grand marquis
My 1991 grand marquis shakes when you press the gas?
That's most likely a bad spark plug. It's best to replace all along with the wires too. About a $300 job at a good repair shop.
