-please give us a call if you're looking for used original parts as well that may Nov 8, 2023 · Once again, I’m thinking hot-rodder turned shop owner, and quite likely using the Wildcat to pull his nailhead powered gasser or rail to the drags on Sunday. It was dubbed the "Fireball". I had a real problem getting this Valued Information. The oil is real dirty and Get a full list of all necessary 1954 Buick Engine Specifications - learn how to tune your Fireball V8 engine properly and factory correct! The Buick 90 Degree V6 Engine. #10. The Buick V6 started its production life in the 1962 Buick Special. 1958 Buick Engine Specifications - Hometown Buick. May 1, 1999 · In 1957, the Buick nailhead grew to a 364ci displacement with a top rating of 300 hp. Had a compression ratio of 10. 5. out over a wide RPM range. 1959-66 Buick 364-401-425 Nailhead Intake Valves made by Egge Machine, for as low as $24. if the machinist doesn't crack heads upon install, they will more than likely crack later on. The spark plug wires go into the In-Line distributor cap in the firing order and in a counterclockwise direction. The book on 66’s says 2. I get a few of calls about them so thought it would be a good idea to add some tech info. 19 x 0. When the vehicle is equipped with an automatic transmission, the figure "9" will precede the Mar 12, 2017 · Trans: 700R4. . We remanufactured this 1955 Buick Special 264 engine with new pistons (Egge), rings, engine bearings, gaskets, timing set and oil pump. I had TRW catalogs covering all parts and it made it simple. Apr 28, 2017 · The nailhead was also rebuilt, getting a 0. The 364 engine size continued in 1958, but was increased in 1959 to a 401ci displacement producing 325 hp. 640". 1959-66 Buick 401/425 Nailhead Main Bearing Sets made by Speedway Motors, for as low as $245. Nailheads have some weirdness in this area. So Im just about ready to pull the engine out. 925". Gearheads nicknamed the new V-8s nailvalve or nailhead motors because the intake Nov 23, 2010 · Hemi, the Buick Nailhead engine is one of those that has the immortal smell of. These 1959 Buick Engine Specifications tell you how the engine was tuned when your 59 Buick came fresh from the factory! Read more! 1956 Buick Engine Specifications - Hometown Buick. When Buick stopped building the inline 6s, that's when the GMC inline 6 cylinder engines were born. KW - 1964 425. 1351515. These 1955 Buick Engine Specifications will help you to adjust your Fireball V8 to original factory correct condition and keep it in good running condition! Click here to get the full 1956 Buick Specifications for your 56 Buick Special, Super, Century or Roadmaster! Learn more about engine, transmission, ! Built from 1953 through 1966, the Nailhead family included a variety of displacements including 264 c. OE specifications for 401 and 425 camshafts. Quick and Easy Returns. i. If you have 1955 or 1956 heads with bad exhaust seats then the larger 1957-1958 364 valves can be used, same valve spring installed height of 1. #4. 219". Dear Buick faithful, I have a 66 Skylark GS, but the original 401 was replaced with a ‘63 401 (it has a JT stamp). 30-34* is the total timing that the Nailheads like, just like the later engines. 14 inches 106. 401/425 is higher by . Pontiac GTO, Pontiac Firebird, Pontiac Bonneville. I have been following my rebuilder's engine break-in procedure/advice and am being perhaps a little over cautious along the way. I8 Buick Casting Numbers. 4 x 92. PML makes a valley plate for the Buick Nailhead V8 in several models to accommodate various engine configurations. You should see the valve train along with one hole fore and aft of the assemblies. All Buick V-8 engine cylinders are numbered from front to back; left bank, 2-4-6-8; right bank, 1-3-5-7. -. May 26, 2021 · A variety of different-sized engine brushes from 1/4- to 1-inch diameter are needed to access the main oil galleries, oil passages to and from the oil filter, lifter bores, and the small oil feed lines that run up from the lifter oil gallery through to the block deck, and finally through the head to the front rocker-arm bolt hole. Often referred to as a Nailhead V8 engine. Piston Displacement. Moderator. . Cylinder Head Bolts: Intake Manifold: Torque Specs are for clean and lightly oiled threads in Ft. The Buick Nailhead is one of the engines. In this case it just happens to be the coolest Buick on Earth, a 1965 Buick Wildcat with the dual quad Super Wildcat By using a completely stock '54 Buick "Roadmaster" V8 block and bottom end, these boys calculate that they. 364 is higher by . Buick had worked with the innovative 215 aluminum block V8 (later to be an Olds, then ultimately a Rover engine), but it was difficult to build and had Using this numbering system the FIRING ORDER of the In-Line engines is:1-6-2-5-8-3-7-4. Known as low-revving, torque making, ground pounders, these engines cemented themselves into the hearts and minds of gearheads in America 1 Question. In '56, the 2bbl Dynaflow engine was rated at 220hp, where the 4bbl engines were 255. ! Jul 1, 2006 · This engine's foundation is a factory-production 1976 Buick 455 block. May 11, 2005 · 1, Tranny choices are better w/ a 409, ANY GM tranny will work. Carter Dual 4-Barrel Carburetor Adjustment. 100" as the stroke is 3. See More. If you run 12* initial, the total should be 30*. piston dome volume ~46cc's. Aug 24, 2013 · The bushings let you adjust the amount of mechanical advance in the distributor. Still, Buick's own V8 beauty gave a bit of punch to Alternator Conversion for pre-1961 Buick; 215-300-340 Tech Info; How to Install a Rope Seal Correctly; Fixing the Offenhauser Intakes-322-364-401-425 Bolt Torque Spec's; Buick V8 Firing Order; Transmission Options for the Nailhead; T300 ST400 Wiring Instructions; Engine Vibration Problems; Rebuild or Refresh Your Engine; Nailing Down the Buick Apr 19, 2011 · 1954 Blown Nailhead; Nailhead Oil Pump; Oil Consumption - 1964 401 and 425 Cubic Inch Engines; OE Nailhead Cam Specs and Street Cam Selection Guide; Buick Cam Specifications for 401 and 425 nailheads; Buick Cams from Kenne Bell, 401, 425; Nailhead Parts Interchange; Buick Engines Today Jul 24, 2011 · Did a full tune up today, but have gotten some conflicting data on setting the timing on a Nailhead 401. The Performer Series Edelbrock carburetors are a replacement for Carter and Rochester square bore carburetors on the stock 401/425 square bore manifold. 64 inches 106. Aug 16, 2022 · By Zach Mayock Published On August 16, 2022 Updated on May 4, 2023. piston compression height 1. 410" or so. 3 OHV /Pushrod engine was produced from 1954-1955. 1955 was the last year Buick used the lighter-duty select-shift manual transmission (has a 5-bolt top cover). Today the Buick 455 V8 is an appealing choice for engine builders willing to work with its thinner walled design. stroke 3. I have piston and rods for one engine and lifter ho is different i remember. 4". 1937-1957 Buick Oldsmobile Pontiac suspension upgrade; 1951 General Motors LeSabre; 1954 Blown Nailhead; 1966 Riviera GS Road Test; 1968 GS 400 Road Test; 2 Less = More, Stage II V-6; Affordable Aluminum V-8's; The Baker Buick V-6; Buick Engines Today; The Buick V-6 Changes For Racing; Buick V6 Update These 401-425 Nailhead Buick motor mount kits allow you to put that "little bit different" engine in your project. Its in a bad condition. The Buick V8 is a family of V8 engines produced by the Buick division of General Motors (GM) between 1953 and 1981. You should then be able to use "gun cleaning" brushes to open up the oil return galleries. 002" to derive these duration specs. 312 inch to 4. 3 cui, 253. 4. Jul 24, 2011 · Did a full tune up today, but have gotten some conflicting data on setting the timing on a Nailhead 401. Order soon, only 2 left in stock! Apr 12, 2013 · 1954 Blown Nailhead; Nailhead Oil Pump; Oil Consumption - 1964 401 and 425 Cubic Inch Engines; OE Nailhead Cam Specs and Street Cam Selection Guide; Buick Cam Specifications for 401 and 425 nailheads; Buick Cams from Kenne Bell, 401, 425; Nailhead Parts Interchange; Buick Engines Today . The 215 shares the familiar GM V8 firing order, 18436572. 64" stroke. Sep 1, 2010 · The 1. mounted and the fabricated blower driveshaft housing. As an average 401/425 cam advertises . never run seals on Jan 7, 2024 · Of course, the Nailhead didn't quite match the V8 beasts produced by its GM siblings at Chevrolet and Pontiac for sheer road-ravishing power. variations. Jan 29, 2013 · Landspeed Addicts. The Buick Special 264 4. 50-in bore, 2. 00. So their duration figures are only good for comparison between these stock cams! A stock '66 401 cam I measured has these specs: Intake: 0. 855. Factory power specs are 325hp @ 4400rpm and 445lb/ft torque @ 2800rpm. 750 x 3. They are small, light weight and powerful. Engine type - Number of cylinders : V 8 : Engine Code : GM Buick Nailhead V-8 401 (Wildcat) Fuel type : Petrol : Fuel System : Carburetor : Engine Alignment : Longitudinal : Engine Position : Front : Engine displacement : 401 cu-in / 6572 cm 3: Bore x Stroke : 4. The wave of Pontiac goodness we saw during the mid to late-20th century was powered by the Pontiac V8. The 425 was the final evolution of Buick’s first V8, which started life in 1953 with 322 cubic inches and 188 hp. in. The GMC that Cannonball Baker drove from the east coast to the west coast, setting speed records at the time, had a Buick engine in it. each. In Stock. hopefully it'll be 6-12* BTDC if the bushing size is correct. but the issue of valves and seats get a good respons on this side. ) and A-Body Gran Sport (401-cu. The Buick traveled north to Queens, New York, in 1998 with its third owner, the man from Sep 29, 2023 · Sep 29, 2023. Mar 23, 2021 · Mar 29, 2021. 90° V-6. V8 Buick 400/430/455 Casting Numbers. ALL ORDERS TAKEN OVER THE PHONE 530-272-1564. With a peak of 500 hp and 500 lb-ft of PML designed this valley plate cover for 1953 to 1966 Buick 264, 322, 364, 401 and 425 Nailhead V8 engines. I was checking the timing and it is set at 0*. Apr 3, 2023 · The final build, sold from 1963 to 1966, delivered eight cylinders, 425 cubic inches, and 340 horsepower. has an aura of mystery about it as well. The modern Buick V6 is directly related to the aluminum 215, first available in 1961 it was light and powerful for it's size Dec 7, 2009 · Run the engine and adjust timing so maximum advance at 3000 rpm (vacuum advance disconnected) is 30-32 degrees. Oct 14, 2010 · 1954 Blown Nailhead; Nailhead Oil Pump; Oil Consumption - 1964 401 and 425 Cubic Inch Engines; OE Nailhead Cam Specs and Street Cam Selection Guide; Buick Cam Specifications for 401 and 425 nailheads; Buick Cams from Kenne Bell, 401, 425; Nailhead Parts Interchange; Buick Engines Today Buick 225 head bolt torque pattern. Manuals are even harder than autos with a Nailhead, not so with the W. Order ships free when this item is included and exceeds $149. Heads interchange between them. Engine Type. -prices on website are subject to change at a moments notice. Christopher Campbell Writer May 13, 2023. history all over it. Read this original 1953 Buick Engine Description for a detailed introduction! Aug 5, 2010 · Buick used a lifter rise figure around 0. 24-in bore centers . V8 Buick 300/340 Casting Numbers. 425" lift / 208 degrees duration @ 0. The Fireball V8 had many of the same design features that were seen in other engines like a hydraulic cam in the block, five main bearings, cylinder banks at a 90-degree angle, and Alternator Conversion for pre-1961 Buick; 215-300-340 Tech Info; How to Install a Rope Seal Correctly; Fixing the Offenhauser Intakes-322-364-401-425 Bolt Torque Spec's; Buick V8 Firing Order; Transmission Options for the Nailhead; T300 ST400 Wiring Instructions; Engine Vibration Problems; Rebuild or Refresh Your Engine; Nailing Down the Buick May 18, 2003 · Dr. Engine configurations vary. S. JW - 1963 425. Frankenbuick. There are 650, 750 and 800 cfm versions of the Performer. Dec 1, 2001 · The 322ci version was designed with an industry-leading 8. There were other size Buick engines produced as well that resembled the Nailheads (such as the 215 and 300 V8s), but they had no parts interchangeability with the Nailhead and OE Nailhead Cam Specs and Street Cam Selection Guide. To Nov 1, 2008 · Nailhead Power TodayFrom the mid-'50s to the late '60s, hopped-up Buick powerplants filled the engine compartments of dragsters, roadsters, lakes cars, show cars, and fat-Ford hot rods across the Alternator Conversion for pre-1961 Buick; 215-300-340 Tech Info; How to Install a Rope Seal Correctly; Fixing the Offenhauser Intakes-322-364-401-425 Bolt Torque Spec's; Buick V8 Firing Order; Transmission Options for the Nailhead; T300 ST400 Wiring Instructions; Engine Vibration Problems; Rebuild or Refresh Your Engine; Nailing Down the Buick Jun 1, 2021 · On the 1953-66 Nailhead V8 the distributor is at the rear of the engine, while on the aluminum V8, it’s at the front. 2, Lots of BBC and SBC parts interchainge. I ordered the service manual already. LARRY70GS said: While thicker oils (15W/50, or 20W/50) may offer more viscosity in a hotter running engine in hot weather, it also takes more power to pump, and circulates slower especially while cold. The 401 in the skylark was also red! Sometimes, the codes have been found to be missing or incorrect. Yet, unlike its more familiar brothers, cousins and even competitors, the Nailhead. Sep 23, 2018 · In This Article. There are no after-market single four-barrel manifolds for the 401/425 Nailhead. Maibe i am wrong. Buick Engine Identification, by the numbers. These are the drain holes that the oil follows back to the drain pan. The 322 Buick Nailhead was the powerplant of choice in the middle to late 50's and was put in Chevy Duel Wheeled trucks since it was the only engine during that time period that had enough Torque to handle the demands of 4 tires & wheels on one axle. 400. 5 kW / 330 PS / 325 hp (SAE gross) offered since September 1962 for North America U. 1359442. rod journal diameter 2. 2495". In many ways, the new Buick V8 was a fairly typical GM pushrod V8, if a bit more petite than most with a 3. May 18, 2003. 640 mm: Number of valves : 16 Valves The 53 322 valves are shorter, no oversize available. Buick Specials were very popular. The Buick Nailhead has long been a popular engine with vintage hot rodders. V-8 is one of the great engines of all time, weighing in at just 324 pounds sans fluids and pumping out 185hp and 230-lbs. It came at a time when big block V8’s were dominating the muscle car world. Specifications listing with the performance factory data and ProfessCars™ estimation Jul 5, 2006 · I just had may 425 nailhead completely rebuilt. At the valve is is actually closer to . The Buick 455 is a big block 7. Exhaust: 0. KT - 1964 401. Still, Buick's own V8 beauty gave a bit of punch to Mar 17, 2006 · Tom Gallagher. BUICK : Engine Torque Values Year: Engine: Spark Plug 9. 1185918. The 1953 passenger car engines that are used with automatic transmissions are identified in Canadian Production by the number "9" stamped in front of the engine serial number. Drawing shows "open" '53 Buick chamber at left, compared to '54 chamber at right. :angry: Mar 14, 2005 · Mar 16, 2005. Good to have some friend over the Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Buick Riviera 425 V-8 in 1963 the model with 2-door hardtop coupe body and V-8 6970 cm3 / 425. The Nov 1, 2018 · Nov 1, 2018. 5* but the specs on a JT says 12*. The starting engine serial numbers for 1953 Production engines are B-119001. 80-in stroke, and 4. The next smaller bushing (blue) gives you 21*. How many different heads are for V8 Nailhead 53-56. They used to have a Color Chart with model year application. 448" lift / 209 degrees duration @ 0. -lbs Feb 1, 2018 · The Coolest Buick On Earth Is For Sale: 1965 Buick Wildcat – Dual Quad 425 Nailhead, Four Speed, Convertible! Just when you think it is safe to go outside, killer muscle cars that you never knew existed pop out of the woodwork. In its day, the Nailhead's design ethos fell between NASA's Saturn V and Wile E. Looks like its been abused. They are cheaper and better. and 425 c. of Jan 18, 2012 · bore 4. Centerville Auto Repair. Nov 1, 2005 · Oct 31, 2005. Another option is to install a distributor from a 63-earlier car with a Dynaflow trans, those distributors already had Mar 15, 2021 · NEVER install hard seats in the heads. 4 x 3. With the right heads and camshaft, it's simple to transform even a later version of the motor into a 500hp build (with a girdle required to strengthen the block past the 600hp mark). Save $20. 9176. 050"! CAM PART NO. I live small town & highway drive to city a few times a week. Hey Guys. Nailhead lifter noise. Is it correct to disconnect the vac advance line to the distributor, plug the line, then check and set timing while engine idles at around 550-600 rpm, or do you disconnect the line, but not Read more about engine, transmission, brakes, chassis and other parts in this 1954 Buick Specifications section on Hometown Buick! The factory Nailhead cams were more aggressive than most other engines. The Redline Rebuild Buick Nailhead has finally reached the assembly phase and Davin has decided it is a great time to share a few tips on how to prepare a short block. 1358100. And, the higher you go with the lobe lift of the cam the worse it gets. This model will not not work with the Elco 3x2 Intake. 3, Cost for speed parts is better with the W in some cases. 5 mm: Number of valves : 16 Valves : Aspiration May 19, 2006 · This engine's foundation is a factory-production 1976 Buick 455 block. May 13, 2023 · Nailhead V-8 Build Using Junkyard Donor Parts. Carter Dual 4-Barrel Carburetor Idle Adjustment. The google results state a ratio of about 8:1 to 9:1 depending on the year. 264/322 dec heights are the same as the stroke is 3. On this particular engine, the bores cleaned up from the factory size of 4. In 1953 when Buick decided to put those eight cylinders in an opposing V configuration hot rodders took note. Bore and Stroke. V8 Buick Nailhead Casting Numbers. Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Buick Riviera 401 V-8 in 1963 the model with 2-door hardtop coupe body and V-8 6572 cm3 / 401 cui, 242. Full gasket set is designed for the 401/425 Buick Nailhead V8 Engine. Re: Buick Engine Paint. Frame brackets must be cut to fit and welded to frame. Valve Arrangement. The engine is bone stock with a 2 barrel carb. Buick Nailhead Casting Numbers. d. Of course, the Nailhead didn't quite match the V8 beasts produced by its GM siblings at Chevrolet and Pontiac for sheer road-ravishing power. Engine: 1965 Buick 401 or as most affectionately know them by a "Nailhead". Converter: 1650 but realize i may need to upgrade. Specifications listing with the performance factory data and ProfessCars™ estimation Apr 1, 2024 · Today we’re taking a look at the good old Buick 401, perhaps the best known of the Nailhead family of engines that powered a modicum of different Buicks during the late 1950s right up into the middle 1960s. , 364 c. The stock Buick cams are still better than what many cam grinders offer as MILD cams. 030-inch overbore, a valve job, and a Poston NH-300 camshaft. GENERAL SPECIFICATIONS. Just remove the valve covers. If you are replacing valves in the 57-58 364 heads then we would use the larger ones for a 59-66 364-401-425. View the Help Center. I got about 115 to 120 consistently on all 8 cylinders. Remember, these are measured at . The seller says that it’s a Wildcat engine so does that mean that it’s the 4-barrel 325-hp version? That would be great if it was. when rebuilding heads, we always use seals on intakes, even though the factory didn't. It was a 90 degree engine and its first displacement was 198 CID. Carter Dual 4-barrel Carburetors, Linkage Sticking. ). These 1955 Buick Specifications help you to understand how your 55 Buick left the factory. , 401 c. Sometimes the casting number can be either a 401 or a 425. 002", NOT . open mon-fri 9-5 pacific time. Is it correct to disconnect the vac advance line to the distributor, plug the line, then check and set timing while engine idles at around 550-600 rpm, or do you disconnect the line, but not The Buick red nailhead engine appeared in 1965. Everything got inspected, hot tanked and scrubbed. Jan 11, 2010 · I picked up a 1956 Buick Special with a 322 nailhead and did a compression test on it. Feb 1, 2012 · Feb 1, 2012. I have searched all over for a rating on the low compression Syncromesh 322, but have never found it. 005" or . we are not responsible for honoring old prices. Equipped with a 600cfm Carter AFB on a cast iron 4bbl intake. Jun 7, 2007 · Hello to all. Then see where timing is at idle (initial timing). 313. I'm rebuilding my 425 nailhead and want to build it to specs. Buick NAILHEAD V8 1953-1966 Engine Specialists. (Comment refers to pre '59 nailheads Sep 20, 2016 · On 9/20/2016 at 8:03 AM, SpecialEducation said: Specs are variable due to different carbs as well as different compression ratios. The Buick V8 family can be divided into four groups: the first (1953–1956) and second (1957–1966) generation Nailhead, the 1961–1980 small-block, and the 1967–1976 big-block. 325 inch with just a honing Mar 22, 2024 · The little Buick 322ci engine was the second smallest (preceded by the tiny 264ci version) in a line of engines that Buick introduced during the 1953 model year. 19 x 3. 25:1. The largest (black) bushing limits mechanical advance to 18*. 441" lift. 6 ratio is only with a cam lobe lift of approx. They have urethane bushings and include both the engine and frame brackets. The Nailhead also became a very popular engine for swaps, being tapped to power everything from street rods to dragsters. Mar 17, 2006. ft. #12. The exception is in the skylark. These were stamped during machining/assembly to identify which year and displacement engine you have. 050". 120" over 364 or ,330" higher than 264/322 as Oct 15, 2004 · It mentioned how the Buick inline 6s and others Buick engines were used in the early HD GMC trucks. The 455 cubic inch motor made 350-370 horsepower and 510 lb-ft of torque in its early days. Rule of thumb is to run the thinnest oil that gives you sufficient hot oil pressures. Here are some of the codes: 4H - 1961 401 (4 Barrel Carburetor) 4I - 1962 401 (4 Barrel Carburetor) 2I - 1962 401 (2 Barrel Carburetor) JT - 1963 401. 967". If you want to know how the Fireball V8 engine of your 58 Buick was tuned from the factory, read these 1958 Buick Engine Specifications! 215-300-340 Tech Info. water jacket is too close to valve seat. In ten years it displacement increased by 32% and its hp by almost 100%. In Head. Nailhead Engine Specifications. 1362242. This shot show 45 degree log on which the Hilborn fuel injector throats are. #2. Are you thrilled by the new Fireball V8 engine of your 56 Buick? Keep it in good shape - read these 1956 Buick Engine Specifications! Apr 29, 2021 · After 1976 the 455 left Buick's catalog forever. Jan 6, 2021 · The intake duration was 282 degrees, and the exhaust 292 degrees, with a 67 degree overlap, along with very steep ramps for extra rapid valve opening. It is not fair to compare parts prices to a bellybutton smallblock. Usage: Highway & city. Buick Library, History and Stories. :waving: Hey Bob. Dec 11, 2009 · Famulos Nailhead. V8 Buick 350 Casting Numbers. The Correct Color For a Buick Nailhead is Buick Green which covers V-8's from 53 to 65 :thumbsup: Buick Turquoise is the color of the Straight 8. Buick’s aluminum 215-cu. 364 were all dynaslow auto, not the ST400 or switch pitch 400, so you need a crank adapter to run the 400 trans. There are still parts floating around out there on the net if we can identify the broken items. rod big end width 0. Some cam's like the THUMPR have lobe spacing way too close (107 LSA) to what the Nailhead likes, too much overlap, you can smell the unburned fuel!. The. In different displacements, it was utilized in its full-size models and later, in the Riviera (401- and 425-cu. Visually Identifying GM V-8 Engines, Handy Quick Reference. And the work done by Dual Quad Dave of HAMB reads as: 1965 Buick 401 core. , 322 c. Lightweight, compact and boasting a healthy power-to-displacement ratio, the little V-8 that Buick engineers created back in the early 1960s was a gem of a powerplant. Learn more about engine, transmission, brakes, chassis, etc. 2". Return Policy. Visually Identifying a 1960's or '70's GM engine. valve seals were not used until 66, and only then on intakes. $159. When cold, the pressure was right at 40 psi, per the specs. Generally, if you are looking at a 1965 or 1966 red nailhead, you are looking at a 425. I'd just like to clarify the correct procedure. Also weekend cruiser. The balancer has marks at 0, 5 and 12 only. I have four heads for spare but the combustion area is not the same. 99. 5L V8 that was produced from 1970-1976. It needs to have the starter changed, as well as having the charging system checked out. 250". While Buick was not new to the OHV concept, the company preferred to put its eight cylinders in a row. When you start going to higher lobe lifts the ratio starts to go backwards VERY rapidly. 364 is a good engine, same series as the larger364/401/425 engines. 5:1 compression, and churned out a respectable 188 hp. rod length 6. 425 Identification. The camshaft in the 401s and 425s were even more aggressive, and those engines were known for their lumpy idle. 188". Sep 23, 2018 · Since 1953, the "Nailhead" had been Buick's bread-and-butter OHV V-8 engine. Although the later heads can be swapped on the early engines compression would drop considerably because of the later having MUCH larger combustion chambers. From proper oil clearance measurement to making sure the valvetrain is serviceable after assembly, the details matter and Davin makes sure to get it right for this turquoise Buick. Nailhead had a big-bore, short-stroke design that offered tremendous torque, spread. Coyote Nov 15, 2006 · In 1960 the 401 nailhead V8 was found in only the Electra and Invicta models. 1955 Buick Specifications - Hometown Buick. Common Engine Dimensions for the Engine Swapper "Buick Trademark(s) used with the written permission of General Motors" Buick Nailhead V8: 401, 425: 28" 33 ½" 29 Follow along with the video below to see how to install our site as a web app on your home screen. I used to enjoy matching up parts from one kind of motor to another. $139. Engine type - Number of cylinders : V 8 : Engine Code : GM Buick Nailhead V8 401 Wildcat : Fuel type : Petrol : Fuel System : 4-barrel Carburetor : Engine Alignment : Longitudinal : Engine Position : Front : Engine displacement : 401 cu-in / 6572 cm 3: Bore x Stroke : 4. PML cannot guarantee fitment. These Buick engines are NOT nailheads but still excellent. After I fired the engine up the first time, I monitored oil pressure and temperature @~1200 rpm. All were naturally aspirated OHV pushrod engines. From the archives: A step-by-step guide for building a great-looking hot rod engine that also performs. Free shipping when your order includes this part. The general design goes back to the '30s, and some parts interchange even with other GM transmissions of the era. 3. Some also may have had 2 speed rears. 325 inch with just a honing Dec 6, 2020 · The engine is Buick’s famous 401 cubic-inch Nailhead V8 which had between 265 and 325 hp depending on which version it was. 364 has shorter deck height than 401/425, so intakes are unique to 364. #1. I need some advice, tips and tricks anything will help. 1875" bore by 3. 5 kW / 345 PS / 340 hp (SAE gross) offered since September 1962 for North America U. wn xv zo yc pj ha cr rw jv bp