How Much Horsepower Does A Stock 455 Have?

350 HP.
They rated the standard issue 455 at 350 HP and the high-performance stage I version at 360 HP. This engine had a short run starting in 1970. In 1975 General Motors started using the same engines across the different divisions and platforms.

How much HP does a 455 make?

Offering between 310 and 400hp, and pushing out a spectacular 500 lb-ft of torque, the 455 big block was most famously used in the 442 muscle car.

Is Oldsmobile 455 a good engine?

There are people that will tell you that the 455ci Oldsmobile Rocket motor makes a better street engine than a race motor. In truth, a stock 455 does have a couple of drawbacks that are detrimental to living life above 4,000 rpm for extended periods. The 455’s Achilles’ heel is a poor oil return system.

What is the most powerful Oldsmobile engine?

The 442 was Oldsmobile’s fastest offering, darting from 0-60 mph in just 5.8 seconds. This muscle car can give as much as 390 hp, making it one of the leading in the industry during its time.

What was the last year for the 455?

The basic 400 continued through the 1978 model year, and the 428 grew into the 455 for 1970 when a 0.21-inch increase in stroke was added to its crankshaft. The 455 went away after 1976, and Pontiac went to work developing an entirely new small-displacement V8 whose total design was aimed at maximizing fuel economy.

What is a 455 Super Duty?

In 1973 and 1974, the 455 was offered as a special version called the Super Duty 455 (SD-455). This model was unique because it consisted of a strengthened cylinder block including four-bolt main bearings along with added material in different locations for additional strength.

How much horsepower does a 1969 Oldsmobile 455 have?

Painted Toronado Peruvian Silver, these sleepers pumped out 390 hp and 500 lb-ft of torque, requiring no more race preparation than a few gallons of gasoline to clock quarter-mile times in the low 13s. For year two, Olds added show to the go.

How much horsepower does a 1970 Oldsmobile 455 have?

For 1970, with 55 more cubes on tap, the Force-Air-inducted W-30 455 was rated at 370 hp at 5,200 RPM and 500-lb. ft. of torque at 3,600 RPM. The two-bolt main block has a 4.125-inch bore and the nodular-iron crank a 4.250-inch stroke.

What vehicles came with a 455?

455

• Oldsmobile Cutlass.
• Oldsmobile Vista Cruiser (1970–76)
• Oldsmobile Custom Cruiser.
• Oldsmobile 4-4-2.
• Oldsmobile Hurst/Olds, 390 hp (291 kW)
• Oldsmobile Delta 88.
• Oldsmobile 98.
• 1968–1970 Oldsmobile Toronado, 375 hp (280 kW)

What year did the Olds 455 come out?

1968
Debuting in 1968, the 455 Rocket represented the second-generation eight-cylinder engine design offered by the brand, replacing the original Rocket that had pulled duty for 15 years.

What is the best V8 engine of all time?

Ranking The Best V8 Engines Ever

• 8/10 Mercedes AMG ‘Hot-V’
• 7/10 BMW 4.4-liter Twin-Turbo V8.
• 6/10 Rover V8.
• 5/10 Ferrari F106 V8.
• 4/10 LS1.
• 3/10 Ford Flathead V8.
• 2/10 Ferrari 3.9-liter F154 Twin-Turbo V8.
• 1/10 6.2-liter Hemi SRT Hellcat Supercharged V8.

What is the best engine GM ever made?

At the top of the list, we have GM’s turbocharged 2.0L I4 LTG gasoline engine, which produces a whopping 137.6 horsepower per liter. That equates to a maximum of 275 horsepower at 5,600 rpm and 295 pound-feet of torque at 3,000 rpm.

What is the greatest engine of all time?

The Top 10 Greatest High Performance Engines of All Time (Says You)

• American Motors AMX 390/Tall-Deck 390.
• Rolls-Royce Merlin.
• Chevy DZ 302 Small Block.
• Ford 351 Cleveland.
• Pontiac 455 (HO & SD)
• Chevy Big Block (Family)
• GM LS (Family)
• Chrysler/Mopar 426 Hemi.

How much HP can a Pontiac 455 handle?

In its introductory model year as the division’s top engine, the round-port 455ci had a gross rating of 335 hp at 4,800 rpm and 480 lb-ft at 3,200 rpm. 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.

What was the best Pontiac engine?

The Ram Air IV 400-cu.in. V-8, with 370hp, could be ordered through most of the 1970 model year, but Pontiac intended the 455 to phase out the Ram Air IV, even though the RAIV could outperform a 455 in the quarter mile. For specific power output, Hanks believes the 1969-1970 Ram Air IV was the best Pontiac engine ever.

What was the fastest Pontiac Motor?

LS2 V8 engine
Overview Of The Fastest Pontiac Model Ever: The 2006 Pontiac GTO. The 2006 Pontiac GTO is a fifth-generation Pontiac GTO. It is offered with only a single engine option available — the monstrous 6.0-liter naturally aspirated LS2 V8 engine that generates 400 horsepower at 5,200 rpm and 400 pound-feet of torque.

How heavy is a 455?

What size is a 455 motor?

The pinnacle of the era of Buick performance ushered by the new powerplant was achieved in 1970, when Buick pulled out the performance stops, and stuffed the gargantuan 4.310-inch bore, 3.900-inch stroke, 455 cubic-inch mill into the intermediate GS.

How many liters is a 455 V8?

The 400-based 455 cu in (7.5 L) was produced from 1970–1976, with a bore x stroke of 4.31 in × 3.9 in (109.5 mm × 99.1 mm). Most parts (except pistons and heads) interchange between the 400 and the 430.

How much horsepower does a 1973 Buick 455 have?

The squeeze inside Buick’s 455 Stage 1 plummeted from 10:1 to 8.5:1. Power fell to 330 horsepower and 455 lb-ft and then in 1972 gross output ratings were replaced with the net system; numbers dropped again to 270 horsepower and 390 lb-ft. Those remained big numbers in 1973, when nothing was making over 300 horsepower.

How fast was a 1969 Oldsmobile 442?

Top speed was reported as 115 mph (185 km/h). The base engine was still rated at 350 hp (261 kW), but only with the standard three-speed and optional four-speed; automatics were rated at 325 hp (242 kW).