Ford 390 Firing Order [With Diagram]

The Ford firing order 390 is a 6.4-liter fuel big-block V8 motor that was launched in 1961 The 390 was important for the Ford engine family. The 390 is a genuine bulletproof engine that is famous among engine manufacturers.

The Ford 390 is an entirely tough engine, and many people depend on it. The stroke that is present in 390 is approximately 0.30 inches.

Firing order of 390

  • The Firing order is 1-5-4-2-6-3-7-8

Explanation of the ford firing order 390 engine diagram?

The Ford 390 was once a very famous and most used vehicle car engine. It was installed in various Ford wagons between the years 1961 and 1971.

Various Ford cars were launched with 390 big blocks.  These vehicles are very much beneficial and very useful. Always check your engine if it’s working properly on it. Regularly clean it with the instruments so it can work more effectively. Once done with the cleaning just check how smoothly the engine is going to work.

This firing order applies to:

  • Ford 390
  • Ford 427
  • Ford 428

Check Gm 350 Firing Order

Torque Specifications

Fastener Type Torque Specs
Main Cap Bolt (396-427, 2-Bolt) 95 ft.-lbs.
Main Cap Bolt (396-454, 4-Bolt, Inner and Outer) 110 ft.-lbs.
3/8 in. Connecting Rod Bolt 50 ft.-lbs.
7/16 in. Connecting Rod Bolt 67-73 ft.-lbs.
Cylinder Head Bolts, Long 75 ft.-lbs.
Cylinder Head Bolts, Short 65-68 ft.-lbs.
Screw-In Rocker Arm Studs 50 ft.-lbs.
Intake Manifold Bolts (Cast Iron Head) 25 ft.-lbs.
Oil Pump Bolt 65 ft.-lbs.
Cam Sprocket Bolts 20 ft.-lbs.
Harmonic Damper Bolt 85 ft.-lbs.
Flywheel/Flexplate Bolts 60 ft.-lbs.
Pressure Plate Bolts 35 ft.-lbs.
Bellhousing Bolts 25 ft.-lbs.
Exhaust Manifold Bolts 20 ft.-lbs.

How do you set the timing of Ford firing order 390? 

To set the timings you need to park the Ford on a proper leveled surface and set the parking brake. After that, I found the timing marker rushed to the timing chain cover on the traveler’s side of the engine. You can utilize a wrench to decrease the distributor hold-down bolt.

What are the Pros and Cons of Ford firing order 390?

These engines are outright forced. During the 1960s, a 390 with a cast iron manifold created more than 400 lb-ft of force. High force makes Ford 390 vehicles enjoyable to drive. As for the engine gas is used which is quite costly and a bit out of budget. Also with a little block, you can accomplish great mileage.

Ford firing order 5.0,4.6,3.8,3.9,4.9,7.5,5.8,5.4,351,428,427,406,390,302,289 f150, mustang

Jake Mayock