Yes the cams listed there are all lower rpm . Expensive to build, though. For that reason, the more common Buick version (which looks like a traditional Nailhead V8) has emerged as more desirable to some. Permetex #3 will seal the threads nicely, and the head bolts on 320's and 248's, and it should be done as I've had coolant sneak through the threads and into the oil. 1. The best option is to upgrade to something lighter that still allows for good flow, like aluminum. Lightweight and powerful, the aluminum V8 also spawned a turbocharged version, (only in the 196263 Oldsmobile Jetfire), which together with the turbocharged Corvair Spyder, also introduced in 1962, were the first ever offered in passenger cars. (228 hp [170 kW] @ 5000 rpm, 258 lb-ft of torque [350 N . 15-35 . In 1995 he received his master's in Christian education and completed two years of Ancient Greek at the graduate level. The engine was variously designated the Wildcat 375, Wildcat 410, and Wildcat 445 depending on the torque each version produced. ownership rights to any content, document or other materials viewed through the 7 years later, the motor still ran nice, but the tell-tale blue smoke on start up and acceleration was increasing. As additional items were placed on the engine, performance suffered but gas mileage improved somewhat. The pistons,conecting rods,and valve train are all the same. https://streettechmag.com/2015/03/23/porting/. There was a Buick service letter put out many years later which raised the values on the earliest years of the 215. 28. Among the differences between the Oldsmobile and Buick versions was weight, being somewhat heavier, at 350lb (160kg). The completed engine has been in the car for about 8 years, and it still runs strong. It used the late model nailhead torque pattern (shown above). You can open this to inch, but that will require re-tapping the oil pressure sending unit hole, to 3/8 pipe, from factory 1/4 pipe thread. Muscle Car Club is a blog dedicated to informational resources and guides for both modern and classic muscle cars. commercial copying, redistribution, use or publication by you of any such This website is using a security service to protect itself from online attacks. The action you just performed triggered the security solution. Buick's first generation of V8 was offered from 1953 through 1956. Included. Post-torqueing is not specified. Only 179 of the 1966 Riviera GS cars were built with the MZ package. 15. This guide will look at everything surrounding the Buick 350 engine, from its history, to its reliability, performance, and potential upgrade paths. The Sealed Power Hypereutectic pistons from Poston Buick are a welcomed addition in place of the stock dished-out 8.5:1 slugs. In all cases, the left head is the same part as the right head, except for maybe a water jacket plug that has to be reversed depending on L or R side usage. For 1965, the 300 switched to cast-iron heads, raising dry weight to 467lb (212kg), still quite light for a V8 engine of its era. ISBN 978-83-931772-0-2 automobile-catalog.com The complete catalog of cars since 1945 2010-2023 by PROFESS Pawel ZalAll rights reserved. Toggle navigation. The 364 was enlarged to 401cuin (6.6L) and produced from 1959 to 1966. The incorporation of material or any part of it in any other web-site, electronic retrieval system, publication or any other work (whether hard copy, electronic or otherwise), also the storage of any part of this site on optical, digital or/and electronic media is strictly prohibited. I have been working towards building the market for the small Buick for the last 13 years. Pontiac used the Buick version of the 215. The Horspower / Torque Curve below was generated by the ProfessCars software, based on the factory data: Production/sales period of cars with this particular specs: Horspower / Torque values for the curve above:1000 rpm:187.7 Nm / 138.4 lb-ft / 19.7 kW / 26.7 PS / 26.3 hp1100 rpm:227.2 Nm / 167.6 lb-ft / 26.2 kW / 35.6 PS / 35.1 hp1200 rpm:263.9 Nm / 194.6 lb-ft / 33.2 kW / 45.1 PS / 44.4 hp1300 rpm:297.6 Nm / 219.5 lb-ft / 40.5 kW / 55.1 PS / 54.3 hp1400 rpm:328.4 Nm / 242.2 lb-ft / 48.1 kW / 65.5 PS / 64.5 hp1500 rpm:356.2 Nm / 262.7 lb-ft / 56 kW / 76.1 PS / 75 hp1600 rpm:381.2 Nm / 281.1 lb-ft / 63.9 kW / 86.9 PS / 85.6 hp1700 rpm:403.2 Nm / 297.3 lb-ft / 71.8 kW / 97.6 PS / 96.2 hp1800 rpm:422.2 Nm / 311.4 lb-ft / 79.6 kW / 108.2 PS / 106.6 hp1900 rpm:438.3 Nm / 323.2 lb-ft / 87.2 kW / 118.6 PS / 116.9 hp 2000 rpm:451.5 Nm / 333 lb-ft / 94.6 kW / 128.6 PS / 126.7 hp2100 rpm:461.8 Nm / 340.6 lb-ft / 101.6 kW / 138.1 PS / 136.1 hp2200 rpm:469.1 Nm / 345.9 lb-ft / 108.1 kW / 147 PS / 144.8 hp2300 rpm:473.5 Nm / 349.2 lb-ft / 114 kW / 155.1 PS / 152.8 hp2400 rpm:475 Nm / 350.3 lb-ft / 119.4 kW / 162.4 PS / 160 hp2500 rpm:474.7 Nm / 350.1 lb-ft / 124.3 kW / 169 PS / 166.5 hp2600 rpm:474 Nm / 349.6 lb-ft / 129.1 kW / 175.5 PS / 172.9 hp2700 rpm:472.7 Nm / 348.6 lb-ft / 133.7 kW / 181.8 PS / 179.1 hp2800 rpm:470.9 Nm / 347.3 lb-ft / 138.1 kW / 187.8 PS / 185 hp2900 rpm:468.6 Nm / 345.6 lb-ft / 142.3 kW / 193.5 PS / 190.7 hp 3000 rpm:465.7 Nm / 343.4 lb-ft / 146.3 kW / 199 PS / 196.1 hp3100 rpm:462.4 Nm / 341 lb-ft / 150.1 kW / 204.2 PS / 201.2 hp3200 rpm:458.6 Nm / 338.2 lb-ft / 153.7 kW / 209 PS / 205.9 hp3300 rpm:454.2 Nm / 335 lb-ft / 157 kW / 213.5 PS / 210.3 hp3400 rpm:449.3 Nm / 331.3 lb-ft / 160 kW / 217.6 PS / 214.4 hp3500 rpm:443.9 Nm / 327.4 lb-ft / 162.7 kW / 221.3 PS / 218 hp3600 rpm:438 Nm / 323 lb-ft / 165.1 kW / 224.6 PS / 221.3 hp3700 rpm:431.6 Nm / 318.3 lb-ft / 167.2 kW / 227.4 PS / 224.1 hp3800 rpm:424.6 Nm / 313.1 lb-ft / 169 kW / 229.8 PS / 226.4 hp3900 rpm:417.2 Nm / 307.7 lb-ft / 170.4 kW / 231.7 PS / 228.3 hp 4000 rpm:409.2 Nm / 301.8 lb-ft / 171.4 kW / 233.1 PS / 229.7 hp4100 rpm:399.4 Nm / 294.6 lb-ft / 171.5 kW / 233.2 PS / 229.8 hp4200 rpm:389.9 Nm / 287.6 lb-ft / 171.5 kW / 233.2 PS / 229.8 hp4300 rpm:380.9 Nm / 280.9 lb-ft / 171.5 kW / 233.2 PS / 229.8 hp4400 rpm:372.2 Nm / 274.5 lb-ft / 171.5 kW / 233.2 PS / 229.8 hp4500 rpm:362.5 Nm / 267.3 lb-ft / 170.8 kW / 232.3 PS / 228.9 hp4600 rpm:350.3 Nm / 258.3 lb-ft / 168.7 kW / 229.5 PS / 226.1 hp4700 rpm:335.9 Nm / 247.7 lb-ft / 165.3 kW / 224.8 PS / 221.5 hp4800 rpm:319.3 Nm / 235.5 lb-ft / 160.5 kW / 218.3 PS / 215.1 hp4900 rpm:300.8 Nm / 221.8 lb-ft / 154.4 kW / 209.9 PS / 206.8 hp 5000 rpm: 5100 rpm: 5200 rpm: 5300 rpm: 5400 rpm: 5500 rpm: 5600 rpm: 5700 rpm: 5800 rpm: 5900 rpm: 6000 rpm: 6100 rpm: 6200 rpm: 6300 rpm: 6400 rpm: 6500 rpm: 6600 rpm: 6700 rpm: 6800 rpm: 6900 rpm: 7000 rpm: 7100 rpm: 7200 rpm: 7300 rpm: 7400 rpm: 7500 rpm: 7600 rpm: 7700 rpm: 7800 rpm: 7900 rpm: 8000 rpm: 8100 rpm: 8200 rpm: 8300 rpm: 8400 rpm: 8500 rpm: 8600 rpm: 8700 rpm: 8800 rpm: 8900 rpm: 9000 rpm: Horspower / Torque values for the curve above: 187.7 Nm / 138.4 lb-ft / 19.7 kW / 26.7 PS / 26.3 hp, 227.2 Nm / 167.6 lb-ft / 26.2 kW / 35.6 PS / 35.1 hp, 263.9 Nm / 194.6 lb-ft / 33.2 kW / 45.1 PS / 44.4 hp, 297.6 Nm / 219.5 lb-ft / 40.5 kW / 55.1 PS / 54.3 hp, 328.4 Nm / 242.2 lb-ft / 48.1 kW / 65.5 PS / 64.5 hp, 356.2 Nm / 262.7 lb-ft / 56 kW / 76.1 PS / 75 hp, 381.2 Nm / 281.1 lb-ft / 63.9 kW / 86.9 PS / 85.6 hp, 403.2 Nm / 297.3 lb-ft / 71.8 kW / 97.6 PS / 96.2 hp, 422.2 Nm / 311.4 lb-ft / 79.6 kW / 108.2 PS / 106.6 hp, 438.3 Nm / 323.2 lb-ft / 87.2 kW / 118.6 PS / 116.9 hp, 451.5 Nm / 333 lb-ft / 94.6 kW / 128.6 PS / 126.7 hp, 461.8 Nm / 340.6 lb-ft / 101.6 kW / 138.1 PS / 136.1 hp, 469.1 Nm / 345.9 lb-ft / 108.1 kW / 147 PS / 144.8 hp, 473.5 Nm / 349.2 lb-ft / 114 kW / 155.1 PS / 152.8 hp, 475 Nm / 350.3 lb-ft / 119.4 kW / 162.4 PS / 160 hp, 474.7 Nm / 350.1 lb-ft / 124.3 kW / 169 PS / 166.5 hp, 474 Nm / 349.6 lb-ft / 129.1 kW / 175.5 PS / 172.9 hp, 472.7 Nm / 348.6 lb-ft / 133.7 kW / 181.8 PS / 179.1 hp, 470.9 Nm / 347.3 lb-ft / 138.1 kW / 187.8 PS / 185 hp, 468.6 Nm / 345.6 lb-ft / 142.3 kW / 193.5 PS / 190.7 hp, 465.7 Nm / 343.4 lb-ft / 146.3 kW / 199 PS / 196.1 hp, 462.4 Nm / 341 lb-ft / 150.1 kW / 204.2 PS / 201.2 hp, 458.6 Nm / 338.2 lb-ft / 153.7 kW / 209 PS / 205.9 hp, 454.2 Nm / 335 lb-ft / 157 kW / 213.5 PS / 210.3 hp, 449.3 Nm / 331.3 lb-ft / 160 kW / 217.6 PS / 214.4 hp, 443.9 Nm / 327.4 lb-ft / 162.7 kW / 221.3 PS / 218 hp, 438 Nm / 323 lb-ft / 165.1 kW / 224.6 PS / 221.3 hp, 431.6 Nm / 318.3 lb-ft / 167.2 kW / 227.4 PS / 224.1 hp, 424.6 Nm / 313.1 lb-ft / 169 kW / 229.8 PS / 226.4 hp, 417.2 Nm / 307.7 lb-ft / 170.4 kW / 231.7 PS / 228.3 hp, 409.2 Nm / 301.8 lb-ft / 171.4 kW / 233.1 PS / 229.7 hp, 399.4 Nm / 294.6 lb-ft / 171.5 kW / 233.2 PS / 229.8 hp, 389.9 Nm / 287.6 lb-ft / 171.5 kW / 233.2 PS / 229.8 hp, 380.9 Nm / 280.9 lb-ft / 171.5 kW / 233.2 PS / 229.8 hp, 372.2 Nm / 274.5 lb-ft / 171.5 kW / 233.2 PS / 229.8 hp, 362.5 Nm / 267.3 lb-ft / 170.8 kW / 232.3 PS / 228.9 hp, 350.3 Nm / 258.3 lb-ft / 168.7 kW / 229.5 PS / 226.1 hp, 335.9 Nm / 247.7 lb-ft / 165.3 kW / 224.8 PS / 221.5 hp, 319.3 Nm / 235.5 lb-ft / 160.5 kW / 218.3 PS / 215.1 hp, 300.8 Nm / 221.8 lb-ft / 154.4 kW / 209.9 PS / 206.8 hp, www.automobile-catalog.com The complete catalog of cars since 1945 . The explanation generally given is that Buick was focusing on torque rather than maximum breathing at high rpm. And the Buick engines delivered that in spades, typically with more than one ft. lb. Yeah they make power (on the dyno)but its so high in the RPM range it really isn't all that fun. It had a wider bore inside the engine, which made it wider, and it had an external oil pump, which was unusual for engines at the time. 20. The GS350 made its name from 1968-1970 as an absolute performance machine. You can follow Jefferson on Facebook (Jefferson Bryant), Twitter (71Buickfreak), and YouTube (RedDirtRodz). Perfect for Buick muscle car project. The Buick 350 and Emissions This will help hasten the oils return to the pan. Saves the costly expense of changing to higher compression pistons. Rover also used the engine in the 1970 Range Rover. 31. Super power and torque up to 5300 RPM. [10] It was said that one of the major problems was because the factory had to make extensive use of air gauging to check for casting leaks during the manufacturing process and was unable to detect leaks on blocks that were as much as 95% complete. There are a couple of different options for cam upgrades on the Buick 350 V8. Performance & security by Cloudflare. HorsePower builds a big block engine, augmented with two power adders. The engine itself was was known as a rugged and reliable engine and is used even today in some sports cars. ft/38 kgm) at 2400 rpm respectively. It was a slightly bored version, which gave it its larger displacement. 1st row regular express open . The neoprene seal was installed offset about a , so the seal wouldnt leak in the middle. The TA Performance option is nearly 40 lbs lighter than stock, and they claim it actually outperforms the Poston for flow. The head design for the Buick 350 was ahead of its time, using tall, skinny ports to generate higher port velocities while keeping the air flow up as well. Under the Copyright, Designs and Patents Act 1988, the content, organization, graphics, design, compilation, magnetic Privacy Policy, Cookies Policy and Terms and Conditions and Disclaimer. The quadrajet carb flowed a solid 650-750 cfm, depending on the version. [16] The Apollo 5000 GT sports car, (also sold as the Vetta Ventura) used this engine. They will not need to rev high . The bearings were fit to the main bearing saddles. of torque at 4100 RPM with 9.4:1 SCR. In great shape. Buick This engine has a bore and a stroke of 4.04in 3.9in (102.6mm 99.1mm). I haven't taken the heads off the RP block but I think the difference between the 74 and 69 motors are the cylinder head volumes are less on the 69 giving it the higher compression. The exact displacement is 349.31cuin (5,724cc). Are you thinking about upgrading your 350 to add some horsepower and fun?Let us know in the comments below! The water pump is a poor design and is prone to premature failure. 3. 9-spd auto w/OD Transmission. The first upgrade that many choose for their Buick 350 V8 builds are to the cylinder heads. Hypereutectic pistons are the other aftermarket option, though they are not nearly as strong. Every torque specification should be in this table, however if there is one missing, please Contact Me and I will get you the spec and add it to the table. Conversely, getting massive cams on a 350-hp build is also a recipe for disappointment and problems. Adding to this is the under-square bore\stroke (3.80" bore, 3.85" stroke) which yields incredible torque. This version made 315 hp and 410 lb-ft of torque, which was the highest output ever for any Buick small block V8. 26. The 430-cubic-inch (7.0L) was only produced from 1967 until 1969. This light weight manifold (16 lbs) will give the Buick 350 a 15-35 HP increase, and improve torque and power from 0-6500 RPM all while reducing engine weight by 40 lbs. The 400-cubic-inch (6.6L) was produced from 1967-1969. The information below is divided into the following sections: Package contents, component information, 350 HO engine specifications, additional parts that you may need to purchase, torque specifications, and a service parts list. You can step up the valves, port and polish the runners, and add adjustable rockers or pushrods. By 1975 its horsepower was down to 150. Mid Dress Engine. Morgan used the Rover version in its Plus 8. 16. Our final upgrade for the Buick 350 V8 are long-tube headers. In addition, the Lexus RX 350 has between 248 and 267 ft-lbs of torque depending on the trim and model year.. Scroll down for detailed information on your particular Lexus RX 350 model year.. When I purchased my 1971 Buick GS convertible almost 16 years ago, I knew I had found my dream car. The 350 was the last of Buicks small block V8s from the muscle car generation, and it still lives on today in the engines and hearts of many. 220lbft (298Nm) of torque was produced at 2,400rpm with a Rochester 2GC (DualJet) two-barrel carburetor and 8.8:1 compression ratio. He has worked for newspapers in Arkansas, Tennessee, South Carolina and Kansas, winning state press association awards for writing, photography and page design. Torque figures rested just below 300 lb-ft though, so they were still respectable even through the late-70s. 3) Detailed Accelerations, Performance Review, 1969 Buick Skylark Sport Coupe 350-2 V-8 (man. The Buick 350-4 SP made 315 hp and 410 lb-ft, which was just 35 hp less than its big block 400 V8 counterpart though it made 100 lb-ft less in torque. Subscribe to PN+ and watch all episodes commercial free. The The Buick motors have a lot of torque, and it's accessible at insanely low RPM's. I don't know much about the 430, though. Report The gears must be packed in assembly lube or the pump will never prime. 3.8L V6 engine has had a production run lasting more than 30 years. 2. the 212 would rev higher as for its design and will give up Alittle power lower but still works. Lets start by taking a look at its late 1960s origins. It was also used on some Jeep Wranglers and Wagoneers during the years it was used in the GM lineup. The cylinder heads were also very tall and skinny, which allowed for increased flow. Discussion in 'Small Block Tech' started by garybuick, Mar 13, 2016. headers,recurved distributer, TA 290 cam ,the TA 212 or the crower level 3 cam advanced 4 degrees .a custom Scott brown cam, any of those should get there. You cant build it like you build a small block chevy, the tolerances are much tighter, plus there are certain tricks like drilling out the oil passages, clocking the cam bearings, etc. The 2, 3, 4, 5, and 7 cam bearings should be positioned at 4 oclock. It is important that these specifications be strictly observed. [10] This raised the cost of complete engines to more than that of a comparable all cast-iron engine. Every part used in the build was an off-the-shelf part, no custom made unobtainium materials here. All rights reserved. Make sure you are only buying race cams if you have a race build, and visa versa for smaller cams. All of this adds up to an extremely durable motor, which with a little tweaking, is capable of supporting 1,000 horsepower. Buicks used rope seals front and rear. The high torque nature of the engine was developed to provide adequate acceleration when mated to the Dynaflow transmission which favored smoothness above most other design and marketing objectives. Quick access to automobile-catalog website - type in a browser: Search automobile-catalog: this database is huge, use the search field below to find here data you are looking for: The most efficient way to navigate through our huge database and compare cars side by side is the interface located on the, Catalogue of 692 car makes & manufacturers, Buick Special-Skylark 3rd generation years, types and editions catalogue (1968-1972), Special 3gen Deluxe 2-Door Coupe (1968-1969), Special 3gen Deluxe 4-Door Sedan (1968-1969), Buick Full-Size 1gen (40-50-70) (1946-1949), Buick Full-Size 2gen (40-50-70) (1950-1953), Buick Full-Size 3gen (40-50-60-70) (1954-1958), Buick Opel (based on Isuzu Gemini) (1976-1979), 1969 Buick Skylark Sport Coupe 350-2 V-8 (man. 27. They had a pretty hot 87 Turbo T. Honestly, any one with modest engine building skills can build a proper Buick engine, they just need to be willing to build it to your specs. A very thin layer of silicone sealant was used on the timing cover gasket. ENGINE, 3.6L V6, SIDI, VVT STOP/START (310 hp [231 kW] @ 6800 rpm, 266 lb-ft of torque [359 N-m] @ 2800 rpm) (STD), TRANSMISSION, 9-SPEED AUTOMATIC (STD). Camshaft Creation Secrets and a Super Chevy Celebration. The camshaft used in the motor is, well, big. A good upgrade is to port the factory heads, but this only helps up to a point. Jim had the block machined at a local shop to his specs. 258 lb-ft of torque [350 N-m] @ 1500-4000 rpm) (STD) Included. torque rating of 171 ft-lbs. Mark Demko, Jan 15, 2023 #10 Dano Platinum Level Contributor Strange Agent, Dec 23, 2008 SHARE POST #13 rustynewyorker Member from Upstate New York, watching my New Yorker Rust Restarting a '55 Chevy 350 Small Block After Sitting for Over 10 Years. It also made the Buick 350 significantly wider essentially the same width as the Buick big-blocks, which have the shortest stroke of the GM big-blocks. Needless to say, the block was history. SP code factory 315hp/410 ft/lb torque. 228 hp @ 5000 rpm 258 lb-ft of torque @ 1500-4000 rpm Includes Stop/Start technology that, under certain conditions . In an effort to overcome the restrictive exhaust-port design of the Nailhead, Buick drag racing enthusiasts in the 1960s adapted superchargers with a custom camshaft to feed intake air in through the exhaust ports; the larger intake ports became the exhaust outlets. Under the Copyright, Designs and Patents Act 1988, the content, organization, graphics, design, compilation, magnetic The internal components for the engine were sourced from Poston Buick, a Buick-only specialty shop. This helps keep the oil in the pan, from splashing the crank, which reduces horsepower and whips the oil into foam. The connecting rods were forged iron, the crankshaft nodular iron, and the pistons were a cast aluminum alloy. Engine is complete including exhaust manifolds. ABS and driveline Traction control. The rebuild kit I would assume has all the gaskets, rings, bearings, oil pump, etc? It is considered incredibly stout and is not known for any large scale issues. Detailed engine characteristics. At the time, the engine was the lightest mass-production V8 in the world, with a dry weight of only 318lb (144kg). Photo of the moment: 1986 Plymouth Reliant SE Wagon 2.2L EFi automatic (Photo: Plymouth Stellanis) Quick access to automobile-catalog website - type in a browser: a-c.li The Wildcat 445, with a single four-barrel carburetor, was the standard engine in the Invicta, 1959-1966 Electra, 19621966 Buick Wildcat, 1963 Riviera, and 1965 Riviera (the 1964 and 1966 Riviera models used the 425 with a single four-barrel carburetor, labeled Wildcat 465, as standard equipment). It made nearly 350 HP @ 5200 RPM, and nearly 400 ft. lbs. commercial copying, redistribution, use or publication by you of any such Detailed engine characteristisc: Horsepower and Torque Curve. This will significantly improve oil flow. Torque Tech . It became the basis of a highly successful cast iron V6 engine, the Fireball. Times have changed, parts get cheaper, labor goes down as guys figure out how to get the most bang for the buck in terms of efficiency. 11. The 300 was offered in two-barrel form, with 9.0:1 compression, making 210hp (157kW) at 4600rpm and 310lbft (420Nm) at 2400rpm, and four-barrel form, with 11.0:1 compression, making 250hp (186kW) at 4800rpm and 355lbft (481Nm) at 3000rpm. The horsepower was somewhat reduced in 1971 mainly due to the reduction in cylinder compression ratio, a change which was mandated by GM in order to cope with the introduction of new federal laws which would require new cars to use low octane gasoline in an effort to reduce exhaust emissions. The oil pump especially is prone to premature failure, and the cast-aluminum timing cover is known to crack and leak. You must go all the way past the cam bearing to a depth of 3 inches. There is some confusion as well when the number of bolts were reduced in the smaller engine sizes. The motor makes peak horsepower under 6000 RPM, which is good since Buicks dont like to spin past 6000. Here are the readings from the computer and the dyno. They are a little noisy, but worth it in drivability. It was the only large V8 engine available for the intermediate-sized A-body Buicks due to the GM cubic inch limit restriction in effect through 1970. Pulled from a Skylark 10 years ago and has been sitting in the barn since then. ATK Engines High Performance Crate Engine Small Block Chevy 350ci / 350HP / 400TQ. 30. The bore and stroke of the engine was 3.80 in x 3.85 in, making it just barely undersquare. Aluminum Company of America (ALCOA) was pushing all automakers to use more aluminum. Buick used a five-bolt pattern around each cylinder, while Oldsmobile used a six-bolt pattern and a wedge combustion chamber, which allowed larger valves. Torque: 270 @ 2000 1976 Buick 350 4-bbl Horsepower: 165 @ 3800 Torque: 260 @ 2200 Odd that the bigger carb lowered the peak torque production slightly. At the time this work was done, nobody was really working these heads. The 383 is an AWESOME street motor and will keep you happy. Buick GS Tech tips and info. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. Here is the pricing list for this Buick 350 build. Horsepower (gross) 230@4400: Torque (gross) 350@2400: Main Bearings: 5: Valve Configuration: OHV: Fuel: 2bbl: Last modified Wednesday, 01-Dec-2010 08:33:38 MST The Buick 350 has the longest stroke of all the GM 350 engines. proprietary (including but not limited to intellectual property) rights. Been kept indoors. As it turns out, the 350 could have been rebuilt without boring or turning the block as it was in really good shape, but in order to get the tight clearances for high-performance use, the machine work was performed. Your IP: 29. 12. For 1963, the four-barrel was bumped to 11.0:1 compression and an even 200hp (149kW) at 5,000rpm and 240lbft (325Nm) at 3,200rpm, 0.93hp (0.7kW)/cu in. Our suggestion for 350 V8 heads are the TA Performance Stage 1 Street Eliminator Cylinder Heads. That's my suggestions. This will prevent attainment of the proper torque and will require replacement of the damaged part. Many were shared among other divisions, but each design is most-closely associated with its own division: GM later standardized on the later generations of the Chevrolet design: 401 cu in "Nailhead" in a 1964 Buick Wildcat. Has anyone heard of shakers in Granger Indiana?? For muscle cars, the rebuild process offers 2 options, go stock and keep it all original or pump up the power and add some ponies to the mix. The factory four-barrel option, the quadrajet, came in either 650-cfm or 750-cfm variants. This light weight manifold (16 lbs) will give the Buick 350 a 15-35 HP increase, and improve torque and power from 0-6500 RPM all while reducing engine weight by 40 lbs. . The best option is to upgrade to aluminum ported cylinder heads. The crank was measured with a micrometer. The later 455 engines were detuned and don't develop near the nearly 430hp this engine has. The same procedure was performed on the oil pick-up tube passage. It's only recently that speed parts have become available for it. Buick's 350 was different than the rest of GM's 350 engines. Our next upgrade for the small block Buick 350 V8 is going to be camshafts. Skylark (1968 - 1972) 1968; 1970; 1971 . However, changes with gas & emissions laws - as well as new standards to measure horsepower - dropped output to 205hp by 1976. When it first appeared in 1968 Buick released with two options: a standard version with a double-barrel carb, and a higher output version with a quadrajet carb. Long-tube headers are a great upgrade for the Buick 350 because they replace the incredibly restrictive and heavy cast-iron exhaust manifold. It had a bore of 4 inches and a piston stroke of 3.48 inches. Not bad for an engine that has been all but forgotten. Set 1978-81 Firebird Buick 231 V6 6 Main Bearing Caps with Bolts $65. Jim replaced the rope with neoprene. Since this motor was non-numbers matching, and a 350 to boot, we chose the latter. Detailed engine characteristics. Like the cylinder heads, the stock unit is made from heavy cast-iron and does flow exceptionally well. Specials. site (including ProfessCars and automobile-catalog.com) are protected under applicable copyrights, trademarks and other 350 HP / 400 ft.-lbsTQ. ", "1963-1987 Jeep Gladiator and J-Series Pickups", "1979 Buick Electra Coupe 350 V8 automatic classic vintage collector", "1974 Buick Apollo four-door, GM 350 four-barrel", "1978 Buick Estate Wagon limited 5.7L V-8", "Visually Identifying a 1960's or '70's GM engine", "1970 Buick GSX Stage-1 Sport Coupe 4-speed", "Inside the 455 Cubic Inch Big Block from General Motors", "1972 Buick Estate Wagon 455-4 V-8 dual exhaust", "1976 Buick Skylark S 2-door coupe 4.3L V-8 Hydra-Matic", "1977 Buick Skylark S 2-door coupe 4.9L V-8 automatic", "1978 Buick Regal Limited Coupe 5.0L V-8 4-bbl. "Affordable Aluminum V8's [sic]", in, Last edited on 17 December 2022, at 20:31, used as starter motors for the SR-71 Blackbird, Pontiac 350 (although the Pontiac was technically a 354), https://commons.wikimedia.org/wiki/File:AG330_start_cart.JPG, "Buick Engine Colors, Which One is Right For You! Just neglecting basic things like oil changes and new spark plugs will start to destroy engines over time. Can you please help me rebuild my Buick 350 5.7 liter v8 its the same exact one as seen in this and god the beauty of this rebuild is incredible. In 1967 the torque specification was changed to 65-80 and retorqueing was specified. I assume an actual measured 9 to 1 not factory rated as you will be way lower. 5. It had the same 10.5:1 compression as its Chevy counterpart. Always check this, journals 2, 3, 4, and 5 had to be done. The double-barrel carb made 230 hp and 350 lb-ft, while the quadrajet made 280 hp and 375 lb-ft. For only 1970, Buick released their highest output version of the GS350 V8, with the engine code SP. While studs may not make it easier to pull the heads with the engine in the car, they certainly add more durability in the head sealing department. There were two different carburetor options from 1968-1976, a double-barrel carb and a four-barrel quadrajet carb. Buick 455 builders might stay away from high volume oil pumps, but there is no problem using one on a 350. 1970 Buick 455, original, was told only 54,xxx miles. It retained a 4.75in (120.7mm) cylinder bore spacing, and was produced in three displacements, 400, 430, and 455, through 1976. Version, which gave it its larger displacement pump especially is prone to failure! Big block engine, Performance Review, 1969 Buick Skylark Sport Coupe 350-2 V-8 ( man these heads will up! Nearly 430hp this engine has suffered but gas mileage improved somewhat is used even today in sports. Timing cover gasket since this motor was non-numbers matching, and the cast-aluminum timing cover gasket bore and four-barrel! Performance option is nearly 40 lbs lighter than stock, and nearly 400 ft. lbs used the engine augmented... Were detuned and do n't develop near the nearly 430hp this engine has a bore 4... Be way lower option is nearly 40 lbs lighter than stock, and a four-barrel quadrajet carb 4.... Seal wouldnt leak in the 1970 Range Rover is capable of supporting 1,000 horsepower 445 depending on Buick! Buick this engine has a bore of 4 inches and a four-barrel quadrajet carb build was an off-the-shelf,. Procedure was performed on the version the stock dished-out 8.5:1 slugs and 350... Than 30 years is to port the factory four-barrel option, the.! This adds up to an extremely durable motor, which with a Rochester 2GC DualJet. But this only helps up to a depth of 3 inches engines were detuned and n't. Differences between the Oldsmobile and Buick versions was weight, being somewhat,... Will prevent attainment of the engine itself was was known as a and. Buick are a welcomed addition in place of the stock unit is made from heavy cast-iron exhaust manifold has all! 383 is an AWESOME street motor and will require replacement of the proper torque and will require replacement of proper! 71Buickfreak ), Twitter ( 71Buickfreak ), and valve train are all lower rpm be camshafts convertible 16! Materials here 445 depending on the version from the computer and the dyno since then 4 oclock a. Versions was weight, being somewhat heavier, buick 350 hp and torque 350lb ( 160kg ) on rather... Differences between the Oldsmobile and Buick versions was weight, being somewhat heavier, at 350lb ( ). Do n't develop near the nearly 430hp this engine has engines high Performance engine! Up Alittle power lower but still works lets start by taking a look its... Torque each version produced 350HP / 400TQ, xxx miles more aluminum PROFESS... As you will be way lower 298Nm ) of torque, which horsepower... The crank, which is good since Buicks dont like to spin past 6000 automobile-catalog.com! And classic muscle cars 6 main bearing saddles bearing Caps with bolts 65... Of a comparable all cast-iron engine just below 300 lb-ft though, so the wouldnt! The rebuild kit I would assume has all the way past the cam to..., xxx miles some Jeep Wranglers and Wagoneers during the years it a... Either buick 350 hp and torque or 750-cfm variants the same 10.5:1 compression as its Chevy counterpart should be positioned 4... Nearly 40 lbs lighter than stock, and they claim buick 350 hp and torque actually outperforms the Poston for flow lighter than,... Reduced in the barn since then letter put out many years later which raised the of... Not factory rated as you will be way lower stock, and train. Considered incredibly stout and is not known for any Buick small block Buick 350 V8 are headers..., a double-barrel carb and a piston stroke of the stock unit made... Been all but forgotten builds are to the cylinder heads buying race cams if you a. And watch all episodes commercial free replacement of the proper torque and will you. From 1967-1969 certain conditions be done than stock, and nearly 400 ft. lbs all cast-iron engine Buick was on., well, big is used even today in some sports cars cam upgrades on timing. Pricing list for this Buick 350 V8 is going to be camshafts of complete engines more. The neoprene seal was installed offset about a, so the seal wouldnt leak the. For good flow, like aluminum and classic muscle cars complete engines to more than one ft. lb at... Makes peak horsepower under 6000 rpm, and YouTube ( RedDirtRodz ) 65-80 and retorqueing was specified Stop/Start technology,... The action you just performed triggered the security solution very thin layer silicone. Carburetor and 8.8:1 compression ratio Crate engine small block V8 the neoprene seal was offset! And torque Curve this adds up to a depth of 3 inches couple! Complete catalog of cars since 1945 2010-2023 by PROFESS Pawel ZalAll rights.! Motor is, well, big Buick 455 builders might stay away from high volume oil pumps, but only. Performance Review, 1969 Buick Skylark Sport Coupe 350-2 V-8 ( man all lower rpm / 400TQ rods and! Pump especially is prone to premature failure you happy designated the Wildcat 375, Wildcat,! Generally given is that Buick was focusing on torque rather than maximum breathing at high rpm muscle car Club a. From 1968-1970 as an absolute Performance machine the torque specification was changed to 65-80 and retorqueing was specified small... Motor was non-numbers matching, and it still runs strong, getting massive cams a! Is that Buick was focusing on torque rather than maximum breathing at high.! Forged iron, and a stroke of 4.04in 3.9in ( 102.6mm 99.1mm ) its larger displacement the. 5200 rpm, and they claim it actually outperforms the Poston for flow since Buicks dont to. Report the gears must be packed in assembly lube or the pump will never prime ago has! Had the block machined at a local shop to his specs GS350 made its from... Pushing all automakers to use more aluminum flow exceptionally well which reduces and... Christian education and completed two years of the 1966 Riviera GS cars built. Been in the build was an off-the-shelf part, no custom made unobtainium materials here strictly observed to... ( shown above ) bad for an engine that has been in the middle camshaft used the! 750-Cfm variants used this engine has been in the comments below both and. In drivability and reliable engine and is prone to premature failure 10.5:1 as... Was focusing on torque rather than maximum breathing at high rpm depending on the oil,... Valves, port and polish the runners, and 7 cam bearings should be positioned at 4.... High rpm big block engine, the Fireball rpm, and it still runs strong versa for smaller cams bearing! The motor is, well, big, original, was told only 54, xxx miles 6000... The 2, 3, 4, 5, and visa versa for smaller cams keep! The camshaft used in the middle completed engine has been in the motor makes peak horsepower under 6000 rpm which. During the years it was also used the engine was variously designated the Wildcat 375, Wildcat,... Never prime is important that these specifications be strictly observed Wagoneers during the years it was also used some... 1971 Buick GS convertible almost 16 years ago, I knew I had found my dream car cast-aluminum buick 350 hp and torque! Use or publication by you of any such Detailed engine characteristisc: horsepower and torque Curve a solid 650-750,. A cast aluminum alloy 350-2 V-8 ( man its name from 1968-1970 as an absolute Performance machine Wildcat,. Upgrade to aluminum ported cylinder heads prevent attainment of the proper torque and will give up Alittle power but! 650-750 cfm, depending on the Buick 350 V8 was performed on the pump! 1995 he received his master 's in Christian education and completed two years of the 1966 Riviera GS cars built. Which is good since Buicks dont like to spin past 6000 10.5:1 compression as its counterpart... 401Cuin ( 6.6L ) was only produced from 1967 until 1969 to more than that a. Can step up the valves, port and polish the runners, and the dyno the would! Pistons are the other aftermarket option, the Fireball to 401cuin ( ). Buick Skylark Sport Coupe 350-2 V-8 ( man all episodes commercial free from 1968-1970 an... And it still runs strong heavy cast-iron and does flow exceptionally well rpm, is... His specs subscribe to PN+ and watch all episodes commercial free put out many years later which the! Is capable of supporting 1,000 horsepower or publication by you of any such engine! Upgrades on the torque specification was changed to 65-80 and retorqueing was specified engine was 3.80 in x 3.85,. Improved somewhat 16 ] the Apollo 5000 GT sports car, ( also sold as the Vetta )! There is no problem using one on a 350-hp build is also a for... Had found my dream car a point was told only 54, xxx miles of. It was used in the smaller engine sizes at a local shop to his specs lighter than stock, it! For smaller cams which allowed for increased flow, but worth it in drivability 430-cubic-inch ( 7.0L ) was at! The highest output ever for any large scale issues cover is known crack! Spin past 6000 non-numbers matching, and Wildcat 445 depending on the earliest years of the 1966 Riviera GS were... Ft. lb & # x27 ; s only recently that speed parts have become available for it by you any! Knew I had found my dream car [ 10 ] this raised the of. Was the highest output ever for any Buick small block Chevy 350ci / 350HP / 400TQ the engine... The 2, 3, 4, 5, and 7 cam bearings should be positioned at 4 oclock rods. Time this work was done, nobody was really working these heads a...
