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When did Pontiac start using high energy ignition?

When did Pontiac start using high energy ignition?

Don’t let that appearance mislead you, however. This unit functioned perfectly after a thorough cleanup and proper lubrication. General Motors introduced its high energy ignition (HEI) system in 1974 and Pontiac used it on a number of its V-8s beginning in the middle of the model year.

When did Pontiac stop using transistorized ignition system?

Many electronic conversion kits are available. Since the 1960s, Pontiac has used various ignition systems that were electronically triggered. Its Transistorized Ignition was eventually replaced by the Unitized Ignition System in the early 1970s.

Are there any free schematics for Pontiac cars?

Please select your desired model below. We have 14 Pontiac Vehicles Diagrams, Schematics or Service Manuals to choose from, all free to download! Brand names and product names are the property of their respective owners.

Do you need an ignition box for a Pontiac V-8?

MSD offers a second Pro-Billet distributor for the Pontiac V-8 in its Ready-To-Run line. It includes an internal electronic control module and doesn’t require a separate ignition control box for normal operation, but it’s certainly compatible with it. A vacuum advance canister makes it an excellent choice for street applications.

What kind of wiring system does a 1964 Pontiac GTO have?

The wiring systems of the 1964– 1974 Pontiac GTOs are probably closer in complexity to a Model T Ford than anything currently in showrooms. While that may be true, wiring systems are still a point of fear and loathing among many restorers of Pontiac GTOs and other muscle car era machines. The truth is, it really isn’t that bad if you plan ahead.

Many electronic conversion kits are available. Since the 1960s, Pontiac has used various ignition systems that were electronically triggered. Its Transistorized Ignition was eventually replaced by the Unitized Ignition System in the early 1970s.

Don’t let that appearance mislead you, however. This unit functioned perfectly after a thorough cleanup and proper lubrication. General Motors introduced its high energy ignition (HEI) system in 1974 and Pontiac used it on a number of its V-8s beginning in the middle of the model year.

MSD offers a second Pro-Billet distributor for the Pontiac V-8 in its Ready-To-Run line. It includes an internal electronic control module and doesn’t require a separate ignition control box for normal operation, but it’s certainly compatible with it. A vacuum advance canister makes it an excellent choice for street applications.

Is there a HEI distributor for the Pontiac V-8?

Many companies produce brand-new HEI distributors for the Pontiac V-8. A unit like this from Pertronix offers top-quality construction and internal electronics. The aftermarket unit fits and functions just like an original, and it even accepts the factory wiring.

Where is the unitized ignition coil located on a 1973 Pontiac?

A predecessor system called “Unitized Ignition” was optional on 1972 and 1973 Pontiacs. Most—but not all—HEI systems have the ignition coil mounted in the distributor cap.

Many companies produce brand-new HEI distributors for the Pontiac V-8. A unit like this from Pertronix offers top-quality construction and internal electronics. The aftermarket unit fits and functions just like an original, and it even accepts the factory wiring.

What kind of engine did Pontiac make in 1955?

In 1954, General Motors leaned heavily on Chevrolet and Pontiac to develop V-8 engines for the 1955 model year and provided them with all available resources to ensure success. Pontiac settled on a 3.75-inch bore and 3.25-inch stroke to produce a 287-ci package.

When did the Pontiac V8 get extra horsepower?

Optional dual exhaust added about 10 hp to either engine. Pontiac created its first extra-horsepower package in mid 1956. With more compression, dual 4-barrel carburetors, and a special camshaft, the combination boosted horsepower to 285.

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Ruth Doyle