On a 1990 Mercury Grand Marquis :
With the 5.0 litre / 302 cubic inch V8 :
( 1 - 5 - 4 - 2 - 6 - 3 - 7 - 8 )
With the 5.8 litre / 351 cubic inch V8
( 1 - 3 - 7 - 2 - 6 - 5 - 4 - 8 )
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On both engines :
The distributor rotor turns COUNTERCLOCKWISE
The marked # 1 position on the distributor cap faces towards the REAR
The engine cylinder locations are numbered :
firewall
4 - 8
3 - 7
2 - 6
1 - 5
front of vehicle
counterclockwise
1,4,6,3,2,5
Mrkhh. I stand corrected. The firing order is indeed 1,2,3,4,5,6Answer.
The stock amp in a 1990 Mercury Grand Marquis is in the dash behind the radio.
5.0 1-5-4-2-6-3-7-8 4.6 1-3-7-2-6-5-4-8
you dont
No
firing order is1432
the firing order is 1342
1,3,2,4 that is the firing order.
No, It sounds like your timing is off or your firing order is wrong.
diagram of firing order on a 1990 Oldsmobile cutless 3.3 engine