How much horsepower does a Pontiac 389 have?
325 hp
The 389 cubic-inch V-8 engine hails from the Pontiac GTO and features three two-barrel carburetors that pushed the engine up to 348 horsepower back in the day. Regular 389 V-8 engines made 325 hp.
What is a 389 engine?
The 389 was the standard engine for the Pontiac GTO through 1966.
Did Pontiac make a 389?
The modern Pontiac V8 was introduced in 1955, displacing 287 cubic-inches. Over the years, displacement increased several times, but external dimensions remained about the same. The Pontiac 389 engine was produced from 1959 to 1966, and has a 4.06″ bore and 3.75″ stroke.
Did Pontiac make a 428 cubic inch engine?
The Pontiac 428 cubic inch engine was used only from 1967-69. It was one of the largest engines Pontiac produced, but it was used more to power big cars such as the Bonneville, and not as much for performance cars such as the Firebird.
Is the Pontiac 389 a good engine?
It was an ideal situation for street-performance enthusiasts because in the relatively light GTO body, the 389 engine really shined. Still, enthusiasts loved the Tri-Power system, and many ’67 GTOs were retrofitted with the earlier intake even though its effect on performance was debatable.
How many cubic inches is a 389 bored 30 over?
Pontiac Blocks- Bore and Stroke
| PONTIAC ENGINE CHART | ||
|---|---|---|
| ENGINE | STROKE | |
| 389 CU. IN. | Stock Bore | 3.750 |
| 30 over | ||
| 60 over |
What is the firing order on a Pontiac 400?
Like all PONTIAC engines since 1955, the firing order sets is: 1-8-4-3-6-5-7-2, all by turning it counterclockwise. Note that the cylinder number 1 is the next driver in front of the engine (the same location on all V-engines) or just the first behind the power steering pump.
Did Pontiac make a Hemi engine?
This was a project started by Pontiac with the end goal of building a Pontiac 427 Hemi. Surprisingly, Mopar actually agreed and sent over several of the engineers that designed both the 392 and 426 Hemi. The goal of making a Pontiac Hemi succeeded but was never produced.
How much can you bore a 389 Pontiac?
Pontiac Blocks- Bore and Stroke
| PONTIAC ENGINE CHART | ||
|---|---|---|
| ENGINE | BORE | |
| 389 CU. IN. | Stock Bore | 4.062 |
| 30 over | 4.092 | |
| 60 over | 4.122 |
When did the 389 Pontiac come out?
389 Pontiac Engine Build. The modern Pontiac V8 was introduced in 1955, displacing 287 cubic-inches. Over the years, displacement increased several times, but external dimensions remained about the same. The Pontiac 389 engine was produced from 1959 to 1966, and has a 4.06″ bore and 3.75″ stroke.
What is the bore size of a Pontiac 389 engine?
The Pontiac 389 engine was produced from 1959 to 1966, and has a 4.06″ bore and 3.75″ stroke. Besides a variety of displacements, the Pontiac V-8 block saw a number of other changes over the years, including starter locations, main-journal diameters, engine-mounting points, and transmission bell-housing bolt patterns.
What kind of engine did Pontiacs have in 1960?
1960. The 389-cid V-8 was used in all Pontiacs in 1960. Performance wise, the 1960 engine was the similar to the 1959 engine, the high output (425-A option) was bumped up slightly in horsepower to 348 HP. A significant change was made in how water was circulated though the engine.
How much is a 1959 Pontiac 389 V8 block worth?
1959 Pontiac 389 V8 Block $550. Cleaned, magged & ready to ship. Std. now, bore to .020. #532000 DC B29 (2). Code 159C 9022. “C” should be an auto Tripower block. 1959 Pontiac 389 V8 Block $550.