1. Verify Top Dead Center (TDC) on #1 Cylinder:
* Compression Stroke: This is crucial. You need to ensure #1 piston is at the *top* of its compression stroke, not the exhaust stroke. The easiest way to do this is using a compression gauge. Attach it to the #1 spark plug hole and crank the engine slowly (with the distributor disconnected). You want the highest reading you can get. This will be very close to TDC on the compression stroke.
* Timing Mark Alignment: Once you're near the highest compression reading, carefully rotate the engine by hand (using a wrench on the crankshaft pulley or harmonic balancer). Find the timing tab on the harmonic balancer and align it with the 0° mark on the timing pointer. Your engine's manual will show you exactly where these marks are. Double-check your engine's specifications as the timing mark location may slightly differ.
2. Distributor Orientation:
* Remove the Distributor Cap: This gives you access to the rotor.
* Remove the Distributor: Before removing the distributor, make a mark on the distributor body and the engine block to help with proper reinstallation later. Loosen and remove the distributor hold-down clamp.
3. Setting the Rotor:
With the #1 piston at TDC on the compression stroke, visually inspect the distributor shaft and the position of the rotor button.
* Rotate the distributor: While paying attention to how the rotor is pointing, very slightly rotate the distributor. You need the rotor to point towards the #1 spark plug wire terminal on the distributor cap. It should be a close approximation; you don't want to force anything. If you're unsure which terminal is #1, check your engine's firing order (it should be in your owner's manual) to ensure the #1 terminal matches up correctly.
4. Reinstalling the Distributor:
* Insert the Distributor: Carefully insert the distributor back into the engine, ensuring the drive gear meshes correctly.
* Tighten the Clamp: Secure the distributor with the hold-down clamp.
* Reconnect the Cap: Replace the distributor cap, making sure the spark plug wires are in their correct firing order.
Important Considerations:
* Engine Rotation: Knowing your engine's rotation (clockwise or counter-clockwise) can help determine which way to slightly adjust the distributor. Most 440 Dodges are counter-clockwise.
* Firing Order: The 440's firing order is critical. Double check that your engine's spark plug wires are connected to the correct terminals of the distributor cap according to the engine's firing order. Get this wrong, and the engine will not run.
* Professional Help: If you are uncomfortable with these steps, it's best to consult a qualified mechanic. Incorrectly setting the distributor can lead to engine damage. Consider using a timing light to verify your timing once the engine is running.
Remember to always disconnect the negative battery terminal before working on any engine components. Refer to your specific engine's service manual for detailed diagrams and instructions. This process is simplified for explanation; always consult your vehicle's service manual for precise details related to your specific year and model.
