What is the firing order for a 66 mustang-289?

== == Actual firing order for a small block 289 Windsor is 1-5-4-2-6-3-7-8. As you look from the front of the car at the engine, the cylinders on the passengers side closest to you is NUMBER 1, then 2, then 3 and the one farthest back is NUMBER 4.

The drivers side the closest one to you is NUMBER 5, then 6, then 7 and the farthest one in back is 8 REMEMBER THE DISTRIBUTOR ROTATES COUNTER CLOCKWISE!