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.

Mais, What year is the best Firebird?

The 10 Best Pontiac Firebird Models of All-Time

• 1967 Pontiac Firebird. …
• 1968 Pontiac Firebird 400. …
• 1981 Pontiac Firebird. …
• 1987 Pontiac Firebird Formula. …
• 1978 Pontiac Firebird Trans Am Special Edition. …
• 1970 Pontiac Firebird Formula 400. …
• 1969 Pontiac Firebird. …
• 2002 Pontiac Firebird Trans Am WS6.

Par ailleurs, Is a Pontiac 455 a good engine?

Despite only two years in production run, the 455 H.O. is regarded by many Poncho experts as the most versatile street engine Pontiac ever produced. Gobs of low-rpm torque make it quite responsive in normal driving conditions, and it can instantly turn tires into a smoky haze by standing on the throttle.

What is the difference between a Pontiac 400 and 455? The significant difference internally between the 400 and the 455, as you probably know, is the diameter of the main bearing journal on the crank – the 400 being 3.000″ and the 455 being 3.250″.

de plus Did Pontiac use Chevy engines?

Pontiac engines were used in its U.S.-market cars; Canadian-built Pontiac automobiles generally used Chevrolet engines. From 1955 through 1959, the Pontiac V8 was also used in some GMC pick-up trucks. … The last “true” Pontiac V8s, a 265 and 301 cu in (4.3 and 4.9 L), ended production in early 1981.

What is the rarest Firebird?

Rarest and Most Valuable Trans Am

Although prices for the second-generation Trans Am have gone nuts, the 1969 convertible Trans Am remains the rarest and most valuable. Pontiac made just eight, all powered by the standard 335 hp 400 HO engine.

Can Pontiac ever come back?

Will GM bring back Pontiac? No, it won’t. Winding out of Pontiac franchises cost GM billions of dollars. It was a desperate move to help save the corporation from its bankruptcy woes.

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.

What cars came with a Pontiac 455?

The Pontiac 455 V8 was The GTO and Firebird Brand’s Last “Big Block” 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.

How much HP does a Pontiac 455 have?

Rated conservatively at 360 horsepower and producing a tremendous 500 pound-feet of torque, the 455 HO gave the GTO the powerful aggression needed to appeal to performance-minded buyers.

What is the biggest Pontiac engine?

The 455-cu.in. V-8 debuted in 1970 and was the largest displacement Pontiac engine ever built for the street.

How much power can a Pontiac 455 make?

A well prepared 2-bolt 455 block is GENERALLY reliable through 700-800 horsepower. Factory cast Pontiac crankshafts are EXTREMELY tough, especially the “N” casting, which is manufactured from nodular iron instead of grey iron.

Is a Pontiac 389 a good engine?

They were responsive and flexible, building enough torque to move a 3,600-pound Goat around with authority, yet they could be docile enough for trips to the grocery store. It was an ideal situation for street-performance enthusiasts because in the relatively light GTO body, the 389 engine really shined.

What is the rarest Pontiac?

Five Of The Rarest Pontiac Grand Prix Models Ever Made

• 1962 Pontiac Grand Prix Super Duty. …
• 1967 Pontiac Grand Prix Convertible. …
• 1968 Pontiac Grand Prix WG Code. …
• 1986 Pontiac Grand Prix 2+2.

What is the best Pontiac?

For your enjoyment and consideration, here are the 10 best Pontiac sports cars of all time.

• 10.1985 Pontiac Fiero GT. …
• 1990 Pontiac Turbo Grand Prix. …
• 2006 Pontiac G6 GTP. …
• 2005 Pontiac Grand Prix GXP. …
• 1969 Pontiac GTO Judge Ram Air III. …
• 1999 Pontiac Grand Am GT. …
• 2008 Pontiac G8 GT. …
• 1987 Pontiac Firebird Trans Am GTA.

How fast is a Pontiac Firebird?

The Firebird Trans Am had a top speed of around 120 mph (193 km/h) and could go from 0-60 mph (97 km/h) in 7.8 seconds.

Why was Pontiac discontinued?

Fans and enthusiasts of GM’s Pontiac brand were collectively disheartened in 2009, when General Motors announced plans to discontinue the brand by the end of 2010. … This put Pontiac in a fatal position given that GM was experiencing severe financial problems ahead of its bankruptcy in 2009.

Why is Chevy discontinuing the Camaro?

General Motors has announced that it will “idle” production of the 2021 Chevy Camaro at its Lansing Grand River Assembly plant starting today. It says this will last through the end of this month or possibly longer. The reason given is the chip shortage that has also idled other assembly plants around the world.

Can you still get parts for Pontiac?

GM will continue to make parts for Pontiac models indefinitely and most Pontiac dealers also sell the Buick and GMC brands and will continue to operate. The automaker still produces replacement parts for the defunct Oldsmobile, which GM shuttered in 2004.

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. …

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.

How much can you bore a Pontiac 455?

So,for a 455 block (3.25″ mains): 4.250″ bore x 4.250″ stroke = 482 cid.

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Co-authors: 4 – Editors: 28 – Last Updated: 52 days ago – References : 11