Pontiac 326 motor

This engine started as a donation to the lab from a family member, jpvhub was sitting in the corner of his shop. He had pulled it to make room for a modern GTO driveline into his old Lemans, pontiac 326 motor. Here is what it looked like when we picked it up, was a Pontiac

For , the unit-construction Y-body Pontiac Tempest and Le Mans, which featured a unique torque-tube and flexible driveshaft, a rear-mounted transaxle and independent rear suspension, were scheduled to increase in size and weight. The division had been using the Buick-built aluminum cu. V-8 engine in them as an option above the Pontiac four-cylinder, but now needed a midsized V-8 for what was growing very close to a midsized car. Dropping in the regular-production cu. However, with some reengineering, the existing V-8 design had potential. Pontiac had gained experience with reducing the bores in its standard engine when it downsized the cu.

Pontiac 326 motor

This small displacement engine packed a lot of punch. There is a reason why we used to preface automobile engines, like the Pontiac , with the manufacturer's name. While many cars today share engine platforms pop the hood on a Buick, Cadillac, Chevy, etc. Back in the '60s and '70s, the individual divisions took great pride in manufacturing their own unique engines. With that said, it's widely believed that GM had a few ground rules. One popular belief is that GM wanted the Chevrolet Corvette to have the most powerful engine. At times this created a problem for the Pontiac Motor Division. This meant they had to make a few negative gain adjustments, so their engines would fall in line behind the Chevy products. Interestingly enough, this would fall just one cubic inch short of the found in the split-window C2 Corvette. Since classic car collectors interested in Pontiacs will often find the under the bonnet, we decided to provide a little more information about this common engine. However, it's even more common to see them in the midsize Pontiac Tempest and Lemans models.

This engine started as a donation to the lab from a family member, it was sitting in the corner of his shop. It was the top-of-the-line engine unless one opted for the "Ram Air" V-8 derived from it. Various Pontiac sources have emphatically stated that NO hp kW versions of the SD pontiac 326 motor installed in regular production cars.

The engines feature a cast-iron block and head and two valves per cylinder. Engine block and cylinder heads were cast at Saginaw Metal Casting Operations then assembled at Tonawanda Engine before delivery to Pontiac Assembly for installation. Initially marketed as a cu in 4. In the s the popular cu in 6. Unusual for a major automaker, Pontiac did not have the customary "small-block" and "big-block" engine families common to other GM divisions, Ford, and Chrysler.

General Manager Semon E. By , Pontiac had moved up from sixth place in sales to fourth, and in , it rose to third place. The youth market was then changed forever in with the release of the highly popular GTO. DeLorean wanted to produce the XP two-seat sports car, which weighed less than the Corvette and had a lower price point. GM had other ideas, however, and instead decided Pontiac would share the already-in-development F-body pony car— Chevrolet's Mustang-fighter, Camaro. Costs could be minimized, and Pontiac's version would also compete with Mercury's upcoming and upscale Cougar.

Pontiac 326 motor

The Pontiac GTO was a classic muscle car from the s and s. It was introduced as part of the Pontiac Tempest and quickly became one of the most iconic cars of its era. The GTO was powered by a variety of V8 engines, including the cubic inch 5.

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Pontiac By reconfiguring the , a midsized V-8 was born. Put off the oil filter bracket for it was a very complex shape to try and clean and strip. For a better experience, please enable JavaScript in your browser before proceeding. Started to pull the intake and see what condition things where in, when I pulled the water pump I found it surprisingly clean inside. Perhaps the most unusual variation of the Pontiac V8 was the Trophy 4 , which was a degree inclined Nice one Pontiac, I was able to get it fired up and running. Free-flowing exhaust manifolds from the Ram Air were used late in the model year. But what color? In the cubic-inch 6. Choose between 2.

For , the unit-construction Y-body Pontiac Tempest and Le Mans, which featured a unique torque-tube and flexible driveshaft, a rear-mounted transaxle and independent rear suspension, were scheduled to increase in size and weight.

So that is a pleasant surprise! The initial press cars that were given to the various enthusiast magazines e. Note that some tools must use 4. Little inspiration time, the Truck will be Semi gloss white, with black trim. The moment of Combustion 1 min read. At the end of , Pontiac was no longer able to continue production of the 7. The old timing cover is for the older 8 bolt water pump, these are hard to find and do not cool the motor well, It adopted a 4. In This Article. The ' HO' was a conventional "D" port engine.