How much HP can you get out of a Pontiac 455?
generates 433 hp at 4,800 rpm and 517 lb-ft at 3,500 rpm.
Is Pontiac 455 and 400 the same block?
Functionally, these blocks are very much the same, with only minor structural differences, and virtually all were drilled and tapped for four-bolt caps (though only the 19701972 455 H.O. engines were equipped with them).
How much horsepower does a 1973 Pontiac 455 have?
The 310-net horsepower rating seen in the 1973 magazine features dropped to 290 in production cars, which still made the SD-455 the highest-rated V-8 from Detroit in 1973 and 1974. Motor Trend’s results with the same car were quite different: 15 seconds at 98 mph, about the same as a Z/28 could muster.
Who builds Pontiac engines?
The Pontiac V8 engine is a family of overhead valve 90° V8 engines manufactured by the Pontiac Division of General Motors Corporation between 1955 and 1981. The engines feature a cast-iron block and head and two valves per cylinder.
What was the most powerful Pontiac engine?
The rear-drive G8, hailed here at AutoWeek and elsewhere in the wheeled world in its original rear-drive, 361-hp, 6.0-liter V8 form, now has a mighty 415-hp 6.2-liter V8 driving those rear wheels, making it the most powerful Pontiac ever.
What was the fastest Pontiac motor?
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 much HP can you get out of a Pontiac 400?
Back in the day, the most powerful 400 (Ram Air IV) made by Pontiac put out 370 hp (GTO), so 512 hp is certainly a ton more performance; all in, it’s a package that looks deceptively stock.
What cars had the Pontiac 455?
Pontiac 455 V8 Big Block
By 1970, the 455 was found in the popular GTO muscle car, where it produced 370hp and 500 lb-ft of torque. It continued until 1976 in the form of the 455 SD found under the hood of the Firebird.
What Pontiac had the most horsepower?
1 2006 Pontiac GTO (175 mph)
This pinnacle of the muscle car industry used a 400-hp LS2 6.0-liter V8 engine as its powerhouse.
What is the most powerful Pontiac engine?
What is the biggest Pontiac engine?
Big, Bigger, Biggest
Pontiac’s 428 was found primarily in full-size sedans and coupes, and when the mid-size GTO was up for a replacement motor the company’s engineers created the 455 by boring the Super Duty engine to 4.1525 inches and using a crankshaft with a 4.21 inch stroke.