ive got a 87 gmc it runs clockwise
1991 Chevy S10 firing order The firing order for a Chevy s10 depends on which engine you have. 1.9L engine the firing order is: 1-3-4-2 . Distributor rotates counterclockwise. 2.0L engine the firing order is: 1-3-4-2 . Distributor rotates clockwise. 2.5L engine the firing order is: 1-3-4-2 . Distributor rotates clockwise. 2.8L engine the firing order is: 1-2-3-4-5-6 . Distributor rotates clockwise. 4.3Lengine the firing order is: 1-6-5-4-3-2 . Distributor rotates clockwise.
For a 1991 Chevy S10 2.5L engine the firing order is: 1-3-4-2 . The distributor rotates clockwise.
CLOCKWISE
Chevy 5.7 L firing order is 1-8-4-3-6-5-7-2 clockwise.
All V8 Chevrolet's are 1,8,4,3,6,5,7,2 with 1,3,5,7 on the left bank and 2,4,6,8 on the right with the distributor rotating clockwise.
CLOCKWISE.
Standing in the front of the truck looking at the distributor, #1 would be at the 1 O'Clock position on the cap, from there clockwise it goes 1, 3, 4, 2.
take off the distributor cap and have someone turn the engine over to see which way it turns. NEW ANSWER: CLOCKWISE rotation
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
It doesn't have one, it is distributorless.
For a Mercury / Ford 3.0 liter V6 engine : ( the distributor rotor turns CLOCKWISE )
Standing in front of the vehicle with hood open, looking at the distributor, #1 would be at the 5:00 position on the cap, from there clockwise would be 1, 8, 4, 3, 6, 5, 7, 2.