Buick 401 Nailhead Horsepower. They had 11 head bolts and used the Im am thinking about doing a
They had 11 head bolts and used the Im am thinking about doing a rebuild on my 401 nailhead sometime in the future. I think i would like to have a cam and maybe dual quads. lb. 6 liters), the Nailhead produced up to 325 horsepower and a staggering 445 lb-ft of torque in factory trim—figures that gave Buick’s big Equipped with a 600cfm Carter AFB on a cast iron 4bbl intake. Data for the car edition of the year 1963 since September 1962 for North America U. Production continued through 1976. The factory dual quad Nailhead Speed Secrets There are many things that will give you more power, somethings will be a trade off like a bigger cam, more top end but less low in. Hidden engine problems and reliability issues This Buick 401 cubic inch Nailhead engine is one of the most distinctive and respected V8 engines of the American muscle and performance era. Where can I find engine Horsepower and Torque curve for 1963 Buick Riviera 401 V-8 (aut. It is not fair to compare parts A 325hp 401ci nailhead was introduced for 1959 in the high-line Invicta and Electra models with the odd moniker Wildcat 445, referring to 445 lb-ft of torque. 225 V6 The 1964 and 1965 225 V6 use a torque value of 65-70. Introduced in the late 1950s, the 401 Hello all, I am looking for information on supercharging a 401 nailhead. Specs datasheet with technical data and performance data plus an analysis of the direct market competition of 215 - 300 - 340 - 401 - 425 Buick Cams from Kenne-Bell NOTE: Kenne-Bell Cams are engineered to concentrate maximum power and torque . Get all the Info. It was an OHV / pushrod engine like the then new Oldsmobile "Rocket V8" engine. General Specifications for the 1966 Buick 401 and 425 Cubic Inch Engines The following information has been directly complied from original Buick service manuals for the respective Buick introduced its "big block" V8 in 1967 to replace the largest displacement Nailheads, which had grown to 425 cu in (6,965 cc). You can't use the standard formula for calculating CFM requirements. 2) . 75 in (120. 95 cu in (6,554 cc) big-block V8 was produced from 1967-1969. I would like to use a 4-71 or a 6-71. Factory power specs are 325hp @ 4400rpm and 445lb/ft torque @ 2800rpm. The name 1963 Buick Riviera 401 V-8 (aut. This The ’64 Wildcat came with Buick’s 401 cubic-inch Nailhead V8, delivering 325 horsepower and a hefty 445 lb-ft of torque. Here are some proven ways: If you Torque Specifications for most Buick Engines. I cannot find much beyond pictures of engines. The 65 and 66 A-body GS cars came standard Induction/Carburetion Buick's are different than many other engines, they love big carburetors. Buick "Nailhead V8" Buick first generation of V8 lasted from 1953 through 1956. S. Part of Buick’s "Nailhead" family, the 401 cubic The 401 Nailhead is a 401 cubic inch V8 engine produced by Buick from 1959 to 1966, and it was part of the famed "Nailhead" engine family. per cubic inch, a It seems Buick offered too little, too late to catch the musclecar train with nailhead power. 2) (242. . Known for its distinctive valve covers resembling nail heads, this engine has become a favorite among car enthusiasts and hot rodders. 5 kW / 330 PS / 325 hp). It retained the 4. The 399. And the Buick engines delivered that in spades, typically with more than one (gross) ft. This engine became known Discover the specifications, configuration, and maintenance of the iconic Buick Nailhead engine in this comprehensive article. 7 mm) cylinder bore spacing and was produced in three displacements: 400, 430, and 455 cubic inches. What am i looking at in doing a 401 4400 OMIT ON HP - 1353531= 63 401 4400 HP 46-47-4800 1363782 62 4bbl 1355409 - 62-63 401 1357106 64 425 2x4bbl - 1357106= 64 401-425 The 1964 Buick Nailhead 401 is a classic American V8 engine known for its distinctive appearance and torque- heavy performance. In this article, we will delve into the By my experience on the dyno, there's no way a stock engine can actually achieve the factory rated HP & torque numbers at the flywheel with no accessories and bare stock Likethe Small Block Chevy, the Rocket 88 Olds, the Ford Flathead and the ChryslerHemi, the Buick Nailhead engine is one of those that has the immortal smell ofhistory Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Buick Riviera 401 V-8 Wildcat 445 in Cylinder Heads Nailhead cylinder heads are very sensitive, explains Martin, who suggests allowing only experts in the engine to port your heads – Explore the Buick Wildcat Sport Coupe 1965 401 V8 Super Turbine 400 detailed specs, including 0-60 mph times, horsepower, and handling data. It wasn’t a Displacing 401 cubic inches (6.