How much horsepower does a 455 rocket have?

Category: automotive convertible
4.8/5 (478 Views . 14 Votes)
Power Ratings
The 1968 Delta 88 produced 310 horsepower with the 455 engine, while the Ninety Eight with a four-barrel produced 365 horsepower.

Also asked, how much horsepower does a 455 engine have?

350 horsepower

One may also ask, 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.

Similarly, it is asked, is a 455 A big block?

The Pontiac Version of the 455 Even the small displacement 326 CID motor is considered a big block. 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 HP does a 350 rocket have?

The 350 generated 325 horsepower and 360 foot-pounds of torque. The 350 stood well against the 350-horsepower 400 V-8 that came with the W-32 option. However, the 350 became something different for the 1970 model year when Olds produced a new version called the Rallye 350 in the W-30 option package.

37 Related Question Answers Found

What is the biggest big block engine?

At 1,005.8 ci, the “Godfather” is the biggest big-block engine ever built. Big is a relative term, since it always requires some level of qualification or comparison to justify.

What is the biggest Pontiac engine?

As the large-main-journal Pontiac engines found in Pontiac's full-size cars evolved from 421 to 428 and, finally, 455 cubic inches, Pontiac still went with the well-rounded 400 as its go-to muscle car mill.

How much horsepower can you get out of a 400 small block?

With the stock Vortec heads, the low-compression 400 managed to make 376 hp and almost 450 lb-ft of torque.

What does 442 mean?

The 442 configuration -- which stands for a 4-barrel carb, 4-speed gearbox and dual-exhaust -- was an options package for the Cutlass until 1968, when the 442 debuted as a model of its own.

How much horsepower does a 454 big block have?

454 Big Block Performance Specs
The original LS5 engine was introduced with 390 hp and 500 lb-ft of torque, while the LS6 was rated at 450 hp.

How much is a 454 engine?

Around here typical bare engines are in the $1000-$1500 range. Just the block is worth $500. A complete running engine (old and tired) can fetch at least $2500 with all the brackets etc.

Is a big block faster than a small block?

The simple answer, when it comes to power, all other things being equal, a larger engine will make more torque with the same horsepower than a smaller engine. Notice I said larger and smaller, since even in older engines, you could get a 396 big block Chevy, and a 400 small block.

Why do they call it a nailhead engine?

It became known as the "nailhead" for the unusual vertical alignment of its small-sized valves, features that were the result of putting both valves on the intake manifold side of the "pent-roof" combustion chamber used in this engine series.

How many liters is a 455?

455 cubic inches = 7.456 liters
So, 455 cubic inches = 455 × 0.016387064 = 7.45611412 liters.

How can you tell how old a 350 is?

Look at the top of the engine aft of the water pump and fwd of the intake. On the shelf there it should say "395558 2" if it is an Olds 350. Larger "2" on the end. All Oldsmobile V8 engines from oh maybe 1949 on are probably under the vast umbrella of a "Rocket" engine.

Is Pontiac 455 and 400 the same block?

The 400 and 455 blocks share the same size externally, but they are two different blocks internally. The 400 has a 4.12" bore and the 455 has a 4.151" bore, but the most you can go is 4.18" on the 400- also a good idea not to go beyond .

How many Oldsmobiles are left?

There are about 1,750 Oldsmobile dealerships still in operation, said Rebecca Harris, a GM spokesperson. While the Alero will be no more, the Lansing plant will continue operating, producing the last 2004 model year Pontiac Grand Ams, a car fundamentally similar to the Alero.

What is the difference between a Pontiac 350 and 400?

400 has 4.12" bore and 350 has smaller 3.875,so 350 can't be bored to 400 dimension. It will be cheaper and easier to find 400 or 455. And those who replied that 350 can be bored and stroked to 383,,,,thats chevy small block engine,not Pontiac. Pontiac,Olds and chvy made all 350 motors,but they are not the same.

How much does a 455 Olds engine weight?

ENGINE Weight Comments
Olds 400-455 620 high deck w/accessories, no flywheel
Olds 262 V6 Diesel 590 (from GM SAE paper)
Olds 260 Diesel

Did Pontiac make a 350 engine?

Eclipsed by the larger 389, 400, 421, 428, and 455 engines, the 350 is the Rodney Dangerfield of Pontiac motors. But it's been over 20 years since GM produced traditional Pontiac V-8s, and the supply of desirable big-inch blocks is drying up.