Most Chevy small block and big block V-8 engines use the firing order 1-8-4-3-6-5-7-2. The LS family of V-8 engines has a 1-8-7-2-6-5-4-3 firing order, according to Reference.com. Firing order designates the way spark plugs fire and internal combustion supplies power from the engine.Know More
Correct placement of spark plug wires on the distributor results in the correct firing order with gasoline engines using mechanical points. In engines using direct ignition, the engine control unit, a vehicle's on-board computer, ensures the plugs fire in the correct order. Most manufacturers cast the firing order on the cylinder head, valve cover or intake manifold, especially on vehicles with distributors.
Attaching plug wires in the wrong firing order causes rough idle and backfiring. In some cases, the vehicle fails to start.
With GM V-8 engines, the number one cylinder is located at the front of the engine on the driver's side of the vehicle. GM does not use V-8s in front-wheel drive vehicles with transverse-mounted engines. On Chevy engines, the odd-numbered cylinders are on the driver's left and the even are on his right.
Ford numbers their engine cylinders with 1-4 on the driver's left and 5-8 on the right. While their firing pattern is 1-3-7-2-6-5-4-8, a careful comparison shows the corresponding pistons fire in the same order as the Chevy big- and small-block engines.Learn more about Car Makes & Models
The firing order of a Chevy V-6 engine varies. On rear-wheel-drive cars and trucks, one version of the engine has the firing order 1-5-3-6-2-4, while the alternate version has the firing order 1-2-3-4-5-6. On front-wheel-drive cars and minivans, the firing order is either 1-6-5-4-3-2 or 1-2-3-4-5-6.Full Answer >
The ignition firing order for a 454ci Chevrolet is 1, 8, 4, 3, 6, 5, 7, 2. From the front of the engine, the odd cylinders are on the right side, with cylinder 1 being the closest. The even-numbered cylinders are on the left, starting with cylinder 2.Full Answer >
In order to replace a Pitman arm on a Chevy truck, the vehicle must be safely raised and secured, skid plate removed and components pulled off the steering box. The procedure requires using a drain pan, floor jack, metric socket set and flat-blade screwdriver.Full Answer >
The firing order of a Ford 302 engine is 1-5-4-2-6-3-7-8. The number-one cylinder on this engine is at the front left when facing the engine with numbers two through four in sequential order behind it. Cylinders five through eight are on the right hand side of the engine following a similar pattern, with number eight at the far left rear of the engine.Full Answer >