What is the firing order for the six-cylinder spark plug wires on an old Buick GL8?
2 Answers
The firing order for the six-cylinder high-tension wires on an old Buick GL8: the inner ones are 1-3-5, and the outer ones are 2-4-6. Below is some relevant information about the Buick GL8: 1. Powertrain: The Buick GL8's 2.0-liter turbocharged engine delivers 237 horsepower and a maximum torque of 350 Nm. This engine reaches its peak power at 5,000 rpm and its maximum torque between 1,500 and 4,000 rpm. It features Tripower variable valve management technology and direct fuel injection, with an aluminum cylinder head and block. 2. Configuration: The Buick GL8 uses a MacPherson strut front suspension. The standard model employs a torsion beam rear suspension, while the ES and Avenir models feature a multi-link independent rear suspension. The multi-link suspension offers better comfort than the torsion beam but comes at a higher cost. Derived from the double-wishbone suspension, the multi-link suspension replaces the two wishbones with separate links, enhancing wheel contact with the ground for improved traction.
I used to drive an old Buick GL8 with a vintage V6 engine, and its firing order was typically 1-6-5-4-3-2. This sequence is crucial—if it's wrong, the engine shakes violently and fuel consumption skyrockets. Back when I worked at a repair shop in my younger days, I often encountered owners who messed up the order while replacing spark plugs themselves, resulting in the car shaking like a tractor after startup. Remember to check the markings on the distributor or ignition coil; the cylinder wire numbers are usually labeled on the wires or nearby. Older GL8s are prone to wiring aging issues, so it's best to also inspect whether the spark plugs are burnt out to avoid damaging the engine. Regular maintenance is key—I recommend checking the ignition system every two years to prevent minor issues from turning into major repairs.
