The 455 now I have done a lot of these. Very good motor. Huge torque and power wth very little tweaking. A mild cam a decent carb and a set of headers will give more street power than most can use.
Likewise, Is Oldsmobile 455 a big block?
Overshadowed by the likes of Chevrolet and Pontiac, Oldsmobile delivered one of the mightiest, and most versatile big block engines of the period: the 455 V8.
Also, Whats the difference between an Olds 455 and a Pontiac 455?
Whats the difference between a pontiac 455 a buick 455 and a olds 445 are they the same? about the only thing the same between them is their displacement. parts are unique to each marque. they share the same transmission to engine bolt pattern, too. … In a word, No, the Buick 455 is not a « weak » engine.
Secondly, Who makes a 455 engine?
Buick 455. Buick produced its 455-cubic-inch V-8 from 1970 to 1976. The 455 came to be after General Motors lifted its ban on equipping intermediate cars with V-8s larger than 400 cubic inches.
Furthermore Whats the difference between a 454 and a 455? There is a big difference in the two engines: The Chevy 454 is basicaly a truck engine, the Pontiac 455 was engineered as a performance engine. The bellhousings will not bolt, but adapters are available. Be advised that a healthy 455 will destroy your stock transmission.
Are Oldsmobile and Pontiac 455 the same?
Whats the difference between a pontiac 455 a buick 455 and a olds 445 are they the same? about the only thing the same between them is their displacement. … This is the same year that Pontiac used the HO (High Output) to distinguish their engine from the Oldsmobile Rocket version and the Buick Wildcat engines.
How much horsepower is a 454?
Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasn’t a big surprise. But like any stock engine, there was tons of power left to be squeezed out.
How much horsepower can you get out of a Pontiac 455 engine?
The 455 H.O. was carried over for 1972 without any major changes, but the gross output rating was dropped in favor of net values. It was rerated at 300 hp at 4,000 rpm and 415 lb-ft at 3,200 rpm.
What Pontiacs came with a 455?
The result was the 1970 Pontiac GTO 455, which was stuffed with a beefy 455 HO V8 long-stroke engine.
Did Pontiac make a 455 engine?
Of the three 455 cubic inch V8 engines offered by General Motors in 1970, the Pontiac 455 took the most unusual route to the market. Unlike Oldsmobile and Buick, which had both big block and small block engines on the shelf, Pontiac had been developing the same eight-cylinder formula since 1955.
Did Buick make a 340 engine?
Buick 300-340 Engine Specifications and Blueprinting. General Specifications for the 1966 Buick 300 and 340 Cubic Inch Engines.
Is a big block faster than a small block?
In each cylinder of an engine is a piston, and the distance that piston has to travel up and down is referred to as “stroke.” Small stroke equals small block, long strokes equal big blocks. Typically long strokes result in more torque while short strokes make quicker revving possible.
Is Oldsmobile and Pontiac the same?
During its time as a division of General Motors, Oldsmobile slotted into the middle of GM’s five divisions (above Chevrolet and Pontiac, but below Buick and Cadillac), and was noted for its groundbreaking technology and designs. …
How much HP can a 4 bolt main 454 handle?
A two-bolt main, cast crank bottom end, properly machined and assembled would be good for at least 550-600 hp. 6-6300 rpm limit. 4 bolt mains and a steel crank can handle 700hp and 7200 rpm.
How fast is a 454 engine?
500 LB/FT @3500 RPM.
How much is a 454 big block worth?
It really depends on how much comes with the engine. If you don’t already have a big block then you need all the brackets for the alternator etc. Around here typical bare engines are in the $1000-$1500 range.
How much horsepower does a 1973 Pontiac 455 have?
Horsepower and Torque
In 1973, a 250-horsepower 455 with 370 foot-pounds of torque surfaced along with a 455 Super Duty, which provided 310 horsepower and 390 foot-pounds of torque.
What is the biggest engine Buick made?
The largest-displacement version of the Nailhead, it began as an option on the 1963 Riviera, and was later available on the Wildcat and Electra models. The 1964 and 1966 Rivieras used the 425 engine as standard equipment.
How much horsepower does a Pontiac 400 engine have?
They found that the engine provided massive amounts of low-end torque and rock steady high RPM power output. The 389 posted numbers in the 330 horsepower range with a single spread-bore, four-barrel carburetor. The 400 pushed this number up to 360 horsepower, with the same Quadrajet single four-barrel.
What does GTO stand for?
This ritual is summarized by the three most famous letters ever worn by an automobile: « GTO » stands for « Gran Turismo Omologato, » which, loosely translated from the Italian, means homologated (recognized for competition) grand-touring car.
Is a Pontiac 400 a good engine?
Because of its place in Pontiac’s most brutal and outlandish muscle cars as well as fighting the good fight into the era of smog-choked, low-compression lameness, the Pontiac 400 remains one of our favorite V-8 engines.
Why do they call it a Buick nailhead?
Buick « Nailhead » V8 (first generation)
It became known as the « Nailhead » by enthusiasts for the unusual vertical alignment of its small-sized valves, features that were the result of putting both intake and exhaust valves on the intake manifold side of the « pent-roof combustion chamber » used in this engine series.
Is 350 and Buick 350 the same?
They both use the same types of transmission, but the cases have different bolt patterns. A Buick 350 has a rocker shaft like a 235 Chevy 6, the heads are completely different; the bottom end is supposed to be stouter.
Why do they call it a nailhead engine?
Gearheads nicknamed the new V-8s nailvalve or nailhead motors because the intake and exhaust valves were relatively small in size and installed vertically.
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