Mercruiser 3 0 Distributor Cap Firing Order

4 cyl 153 2 5l 181 3 0l.

Mercruiser 3 0 distributor cap firing order. 3 0l models only 1. Write down your firing order for your model engine. 1963 66 401 and 425 ci buick engines have a firing order 1 2 7 8 4 5 6 3 and the rotor spins clockwise. The 1970 buick 350 ci engine has a firing order of 1 8 4 3 6 5 7 2 and the rotor spins counterclockwise.

Mercruiser 3 0 firing order diagram 2. 1 spark plug wire. Connect timing light 91 99379 or similar to no. If you are unsure as to which pole on the distributor cap is 1 you can place the engine at tdc top dead center on the compression stroke remove the cap and make a note as to which direction the.

Connect power supply leads on light to 12 volt battery. 23 08 2018 23 08 2018 5 comments on mercruiser 3 0 firing order diagram i have a mercruiser l mcm engine. The number 1 distributor cap terminal is at 5 o clock viewed from in front of the car. Rotate distributor until the rotor matches up with the terminal on the cap where you want to have the number one wire.

Connect a shop tachometer to engine. The manual says the firing order is and the specs listed on the breather cap say there wont be a firing order on the dist cap there might be a firing order stamped onto the intake manifold near usually infront of the throttle. Refer to specifications engine rotation and firing order for cylinder numbering and location.