This is the HO engine which is different from the standard 5.0. The firing order is 1-3-7-2-6-5-4-8 Distributor rotates counterclockwise. Number 1 cylinder is located passenger side, front of engine.
You didn't specify which engine you have. In 1966, Thunderbirds came with a 390 as the standard engine, with an option for a 428. Either way, the firing order should be stamped on the intake manifold in the vicinity of the carburetor. Assuming you've got an original motor, the firing order should be as follows: 1,5,4,2,6,3,7,8.
The 6 cyl is 1-4-2-5-3-6. The 5.0 is 1-3-7-2-6-5-4-8
4 cyl 1-2-3-4 clockwise rotation 6 cyl 2.8 and 3.1 1-2-3-4-5-6
The firing order for a 1997 mustang 4.6 1-3-7-2-6-5-4-8. the number one cylinder is the front one on the passenger side.
the thunderbird sc has the firing order of 1-4-2 5-3-6
Pinto's fitted to UK motors the firing order is 1 3 4 2.
http://www.boxwrench.net/specs/ford_351C.htm
1-3-4-2 all ford 4 cylinder engines have the same firing order. actually not all ford 4 cylinder engines have the same firing order all depends on engine size ( 1.25 1.4 and 1.6 litre zetec-se engines are1-3-4-2 1.3 litre endura-e engine 1-2-4-3 all from timing belt end) see ford haynes handbooks oct1995 to 2001
AOD
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ford didn't put a 4.7l in a ford t bird the firing order for a 4.6L that they did use is 1,3,7,2,6,5,4,8
Call Kragens or Auto Zone and they will give you the firing order for any car.
Click the link.
older fords have firing order cast into the intake manifold around calibrator
Firing Order: 1-5-4-2-6-3-7-8
Firing order on the 4.6L is 1-3-7-2-6-5-4-8
The firing order is 1-4-2-5-3-6 in the clockwise direction.
What year, what engine?
According to the 1956 Thunderbird manual the 6 cyl. is a 223 cu. in THE firing order is 1-5-3-6-2-4
Firing order is 1, 3, 7, 2, 6, 5, 4, 8
firing order 97 t-bird, 1-3-7-2-6-5-4-8
According to the 2005 Ford Thunderbird owners manual : 1 - 5 - 4 - 2 - 6 - 3 - 7 - 8 Coil On Plug ( C.O.P. ) ignition system