The firing order for a 1978 Ford 460 is: 1-5-4-2-6-3-7-8
The 1978 thunderbird had a 460 as one of its optional engines so yes it can fit
245 H.P 400 FT. LB torque
Intake Manifold torque is 30 ft/lbs on the 460 Ford V8Valve cover is 10 ft/lbs
28-33 ft lb
1,5,4,2,6,3,7,8
500 horsepower
1974-1978, 1979-1998 (trucks only)
The Ford 460 cubic inch engine came with several horsepower settings. The typical 460 cubic inch Ford engine had a 330 horsepower rating.
460 lbs
230hp
Ford did not produce a 460 in 1979. In 1978 the firing order for a 460 is 1-5-4-6-6-3-7-8. Ref: Chilton's Motor Manual 1981