1,3,7,2,6,5,4,8 and the cylinders on the engine from front to back are numbered 1-4 down the passenger's side and 5-8 down the driver's side.
What year, what engine?
Firing order is 1, 3, 7, 2, 6, 5, 4, 8
According to the 2003 Ford Thunderbird owners manual : The spark plug firing order for the 3.9 liter V8 is ( 1 - 5 - 4 - 2 - 6 - 3 - 7 - 8 ) It has the Coil On Plug ( C.O.P. ) ignition system with ( 8 ) individual coils The engine cylinder locations would be numbered : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of 2003 Ford Thunderbird , 3.9 liter V8 engine
1-3-7-2-6-5-4-8 ----------------------------------------------------------------------------------------------------- For the 281 cubic inch / 4.6 liter V8 engine in a 1994 Ford Thunderbird
Ford 4.2L Engine Firing Order: 1-4-2-5-3-6 Distributorless ignition system
For a 2005 Ford Thunderbird , 3.9 liter V8 engine : The firing order is ( 1 - 5 - 4 - 2 - 6 - 3 - 7 - 8 ) according to the Owner Guide It has the Coil On Plug ( C.O.P. ) ignition system with ( 8 ) individual coils The engine cylinder locations are numbered : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
According to the 2005 Ford Thunderbird owners manual : 1 - 5 - 4 - 2 - 6 - 3 - 7 - 8 Coil On Plug ( C.O.P. ) ignition system
Call Kragens or Auto Zone and they will give you the firing order for any car.
The firing order is 1-5-3-6-2-4
The firing order for a 1987 Ford Thunderbird 3.8L is 1-4-2-5-3-6 Additional info. FYI: Ignition timing: 10 degrees BTDC #1 cylinder location: RIGHT-FRONT Distributor rotation: COUNTER-CLOCKWISE Spark plug gap: .054"
1 - 4 - 2 - 5 - 3 - 6 The distributor rotor turns counterclockwise
4.3 firing order 165432