Detailed engine characteristisc: Horsepower and Torque Curve. all rights reserved StreetTech Magazine - site developed by ampnetmedia. It retained a 4.75in (120.7mm) cylinder bore spacing, and was produced in three displacements, 400, 430, and 455, through 1976. The smallest displacement Nailhead, it is a small-bore version of the 322, sharing stroke and deck height, but having its own 3.625in (92.1mm) bore. Your IP: Unleaded gasoline and catalytic converters came into play in 1975 for all US manufactured cars. "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! Violations of copyright will be prosecuted under the fullest extent of the law. Acceleration times were nearly similar to the 1986's numbers, so the Grand National and other 1987 Turbo Regals were still by far the fastest American cars available during this time period. 18. 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. See the window label for the features on a specific vehicle.) It would be recommended to be at the upper limit for the 350. If you want to eek out every hidden horsepower, then you probably want a little more practice and experience. The water pump and cam drive are also subject to problems. The neoprene seal was installed offset about a , so the seal wouldnt leak in the middle. Of all the GM "350s", the Buick has the longest piston stroke. The 1979 LeSabre had a top speed rating of 110 miles per hour and it took just more than seven seconds for it to get to 60 miles per hour. The 1964 and 1966 Rivieras used the 425 engine as standard equipment. This 400 engine had the distributor towards the front of the engine, as opposed to the 401/400 nailhead, which had its near the firewall.[34]. Just going back stock. Rated at 360 HP, 510 ft. Of torque new. Then just a month after buying the car, while cruising to Oklahoma City, on a date with my future wife no less, the stock Buick 350 lets loose at 70 MPH. ownership rights to any content, document or other materials viewed through the 350 Stage 1 Intake Manifold, 68- 81, 350 Buick Aluminum Intake Manifold. The major differences of the 350 in comparison to other GM V8s are Buick's "deep-skirt" engine block construction, the use of cast iron with increased nickel content, an external oil pump, a forward-mounted distributor, under-square cylinder bore sizing, 3in (76.2mm) crankshaft main journals, and 6.385in (162.2mm) connecting rods. [citation needed] The previous statement is incorrect, the 215 Buick only used "dished head" pistons even in the highest compression models, all Buick 215's have a 37-cc wedge combustion chamber. Anything from 400-550 hp needs to get upgraded pistons, and any builds over 550 hp need pistons, rods, and a custom crankshaft. The 350 Buick engine has a surprising amount of performance potential, but it has been hampered by the lack of a high performance intake manifold. [16] The Apollo 5000 GT sports car, (also sold as the Vetta Ventura) used this engine. [10] The majority of Repco RB620 engines were cast and built in-house at Repco.[10]. Perfect Seal sealing compound (Buick part #980456) is specified for use on the bolts in some cases. 3) (model since September 1971 for North America U.S.). mc11650 hyd 3 214 224 290 300 .469 .493 112 centerline 1500-4500 smooth 969 d comment: good mileage and torque Rising emission standards and more concentration on fuel economy slowly sapped the engine of its power. A high-performance Buick 350? In 1966 torque goes to 65-80 and in 1967 post torqueing is specified. Manifold Features. proprietary (including but not limited to intellectual property) rights. 25. Oil passage now lines up with the bearing hole. INT/EXH . Pulled from a Skylark 10 years ago and has been sitting in the barn since then. Using the 5 liter Rover block and crankshaft, a maximum displacement of 317.8cuin (5.2L) is theoretically possible.[15]. There was a Buick service letter put out many years later which raised the values on the earliest years of the 215. The Buick 350 has the longest stroke of all the GM 350 engines. - 2500-6400rpm - Incl. Any idea what torque it makes though at 2400. http://www.empirenet.com/pkelley2/DynamicCR.html, http://www.v8buick.com/showthread.p-350-Buildup-info-and-dyno-results&highlight=, (You must log in or sign up to reply here. What is impressive is where this engine makes that power--the torque peaked at 3,400 rpm, while the horsepower peaked at just 4,750 rpm. Of all the GM "350s", the Buick has the longest piston stroke. site. ABS and driveline Traction control. commercial copying, redistribution, use or publication by you of any such The oiling system is the weakest point, and you need to make sure the pump is shimmed properly. Known variously as the Fireball and Skylark by Buick (and as Rockette, Cutlass, and Turbo-Rocket by Oldsmobile),[6] the 215 had a 4.24in (107.7mm) bore spacing, a bore and a stroke of 3.5in 2.8in (88.9mm 71.1mm), for an actual displacement of 215cuin (3.5L). Engine horsepower and torque curve for Buick Skylark Sport Coupe 350-2 V-8 (man. 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. Engine has been painted red since pictures taken. The little Buick also features a deep-skirted block, higher nickel content, external oil pump and is 100 pounds lighter than the small-block Chevy. commercial copying, redistribution, use or publication by you of any such that must be adhered to in order to make it last. But when it comes down to v8 vs v6 the 350 Buick what's a torque monster compared to the current Short stroke v6 as we have today. Vijoni u Missjoni; Rettur; Grupp Pastorali Sghajtar You do not acquire 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. Buick's 350 was different than the rest of GM's 350 engines. Does that sound reasonable? Post torqueing is not specified, Perfect Seal is. The engine was variously designated the Wildcat 375, Wildcat 410, and Wildcat 445 depending on the torque each version produced. The 425cuin (7.0L) was produced from 1963 to 1966. ", "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. Post-torqueing is not specified. Engine is complete including exhaust manifolds. The block was bored .030, decked .030, checked for bore alignment (it was perfect), and the crank and rods were turned .010. in. 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). This helps the Buick create low-end torque as well as excellent mid and high-rpm horsepower. Perfect Seal is specified for all years. The engine remains well-supported by enthusiast clubs, specialist parts suppliers, and by shops that specialize in conversions and tuning. Since this motor was non-numbers matching, and a 350 to boot, we chose the latter. The engine was an overhead valve design (OHV) with two-valves per cylinder, for 16 total, and used hydraulic lifters. A life-long gearhead, Street Tech Magazine founder and editor Jefferson Bryant spends more time in the shop than anywhere else. I never did find the last 3 lobes of the camshaft. 26. 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. If the clearance is .007 or bigger, the cover is junk. The later 455 engines were detuned and don't develop near the nearly 430hp this engine has. The cam was installed along with the timing chain. A very thin layer of silicone sealant was used on the timing cover gasket. The bore and stroke refer to the width of the cylinder and the distance it travels. Victor Reinz Engine Conversion Gasket Set (08-40999-01) 0. . Most parts (except pistons and heads) interchange between the 400 and the 430. So basically, any builds under 400 hp and nothing needs to be done. Very desirable 1970 Buick 455 engine, casting #1231738, with 1970 heads # 231786, totally rebuilt by professional shop, bored .040 over. Post-tightening is specified for most engines, where the bolts are to be torqued again to the final value after the engine is up to full operating temperature. Rights to these engines were purchased by the British Rover Company and used in the 1967 Rover P5B that replaced the 3L straight six Rover engined P5. 11. The camshaft used in the motor is, well, big. Be careful; make sure you go in straight so you dont go off the edge of the cam bearing. Mounted on a trolley, Buick 425s were also used as starter motors for the SR-71 Blackbird supersonic jet.[4]. 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. In 1964, while nearly all Buick engines were painted "Buick Late Green", the 300ci V8s were painted Silver instead. Bore spacings for all variants of the SBB are 4.24in (107.7mm). This engine produced 275 hp and 325 foot-pounds of torque. The explanation generally given is that Buick was focusing on torque rather than maximum breathing at high rpm. Some parts were tweaked to get the most performance and we used some unique tricks. -Jefferson, I have a 70 Buick skylark with 350 2 bbl.. engine wont hold oil pressure anymore..so Im getting rebuilt..$2000 to get it machined and $750 for rebuild kit. You must go all the way past the cam bearing to a depth of 3 inches. They had 11 head bolts and used the same pattern as the 198 (above). [10] This raised the cost of complete engines to more than that of a comparable all cast-iron engine. Using Sealed Power Hypereutectic pistons, final compression for the motor came in at 10.1:1. Monkey Spit thread locker, 3 bottle kit, 100 strength for assemble re-assemble of parts, 200 which requires strong torque to remove bolts, and 300 for permanent bonding of nuts and bolts. 23. The 430-cubic-inch (7.0L) was only produced from 1967 until 1969. 1970 Buick Skylark Specifications. The block was bored .030, crank and rods turned .010, and the block was decked .030. Here is the pricing list for this Buick 350 build. From 1977 on the double-barrel option was dropped and only the quadrajet version remained. Rover SD1 heads are an option, as are Wildcat heads. 1GKKNRL43PZ164012 . The 1964 and 1965 225 V6 use a torque value of 65-70. Displacements vary from 215cuin (3.5L) (for the division's unique all-aluminum early 1960s engine) to 455cuin (7.5L) for its last big block in 1976. If emissions restrictions had not forced Buick to neuter it every year after who knows what they would have done with it. The 2, 3, 4, 5, and 7 cam bearings should be positioned at 4 oclock. https://streettechmag.com/2015/03/23/porting/. proprietary (including but not limited to intellectual property) rights. Post-torqueing is not specified. $3,777.00. Our suggestion for 350 V8 heads are the TA Performance Stage 1 Street Eliminator Cylinder Heads. The hole depth is 4 inches. The LT-1, in 1994, got 17 mpg in the city and 25 to 27 mpg on the highway, depending on transmission selection. Starting the next year they both dropped to 8.5:1. Throughout the years, the Rover Company (which became part of British Leyland in 1968), and its successor companies constantly improved the engine making it much stronger and more reliable. alleycat. Check out our story on head porting to see how we made these Buick head flow. 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. Specials. It retained the aluminum cylinder heads, intake manifold, and accessories of the 215 for a dry weight of 405lb (184kg). matters or any part of this site is strictly prohibited. The car came standard with an automatic transmission, and a manual was available. Using Comp Cams Desktop Dyno software, we specd out the motor using the specs from the block and components used, which included the detailed airflow for the ported heads. 3) engine Horsepower / Torque Curve. The following torques and torque patterns were compiled with the help of Todd. The 455 cubic inch motor made 350-370 horsepower and 510 lb-ft of torque in its early days. These are things I couldn't prove out by going to parts lists, photos, or other books. Buick - 350 Performance level 4 - Ultra Performance Compu-Pro - Street/strip profile with superior upper bottom to top end torque. Use of Perfect Seal is specified. Cams that are too small will only provide a small bump in power and be just as overmatched as stock on high horsepower builds. Buick introduced a "big block" V8 in 1967 to replace the largest displacement nailheads. Davis, Marlan. This engine was used for V8 versions of the MGB GT known as the GTV8. Allowing for better flow reduces exhaust reversion and increases scavenging, which allows for cleaner and cooler air to enter in the combustion chamber. Dont go too large with your exhaust, as that can actually hamper performance. The depth on this one is 3 inches. ALSO UNLIKE THE CHEVY, BUICK USED THE SHAFT MOUNTED ROCKER SETUP FOR ITS STAMPED STEEL ROCKER ARMS. 28. 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. Weight: with driver 3,835 pounds Suspension: 350 springs in front w/Comp. Notify me of follow-up comments by email. It was a slightly bored version, which gave it its larger displacement. Though it was similar in displacement to other GM small block V8s; like the Chevy 350, Pontiac 350, or Oldsmobile 350; the Buick 350 V8 had a completely different design. It is a good idea to install the timing chain at this point as there is very little room between the rods and the cam. There are countless examples of 200,000+ mile Buick 350s by now, and there are a ton of them still running today. The carnage was legendary- pieces of piston skirt came to rest at the bottom of the tranny inspection cover. Buick Skylark Sport Coupe 350-2 V-8 (man. Stroking the 350 to a larger displacement is not an option, as the camshaft is too close to the cylinders already and there is not enough room. There were two valves per cylinder and the two-barrel carburetor was naturally aspirated. ANother key issue is the tolerances, Buicks like tight tolerances, you cant slap it together using SBC tolerances. 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. Set 1978-81 Firebird Buick 231 V6 6 Main Bearing Caps with Bolts $65. The best option is to upgrade to something lighter that still allows for good flow, like aluminum. TA Performance and Poston are two of the top options, and they each have a wide variety of cams available. Always check this, journals 2, 3, 4, and 5 had to be done. This meant that Buick heads would fit on Oldsmobile blocks, but not vice versa. Very desirable 1970 Buick 455 engine, casting #1231738, with 1970 heads # 231786, totally rebuilt by professional shop, bored .040 over.All new components in engine. Pre-tightening is done by going around the bolt sequence three times, gradually increasing the torque on each round. (Generally . Here are the readings from the computer and the dyno. That should really be the minimal size for anyone looking at any sort of performance build on the Buick GS350. 1970 Buick 455, original, was told only 54,xxx miles. Speaking of carburetors, one of the best upgrades to the Buick 350 V8 is to get a bigger carburetor. Flat Tpt. Restarting a '55 Chevy 350 Small Block After Sitting for Over 10 Years. The Wildcat 410 was the two-barrel carbureted engine, standard on the 1962-63 LeSabre. Just neglecting basic things like oil changes and new spark plugs will start to destroy engines over time. Buick adopted the popular 350cuin (5.7L) size in 1968 for their final family of V8 engines, the 350, which was produced through 1980. Going with aluminum or steel long-tube headers is a great way to reduce weight while opening up flow. IN ADDITION TO ITS EXTRA WIDTH, THE BUICK 350 INTAKE MANIFOLD HAS SOME SERIOUS WEIGHT TO IT, TIPPING THE SCALES AT 67 POUNDS. 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. Rough idle. A little more compression would not hurt. This version made 315 hp and 410 lb-ft of torque, which was the highest output ever for any Buick small block V8. By 1970, it challenged Buicks big block 400 and 455 V8s with its output of 315 hp and 410 lb-fit. The action you just performed triggered the security solution. Shop 350 Buick Small Block V8 parts and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. This website is using a security service to protect itself from online attacks. The Buick 350 also shares an integrated aluminum timing cover, which incorporates the oil pump mechanisms, leaving the oil filter exposed to oncoming air for added cooling. 1. Cam/V.Sprng/Ret./Locks/Seal/Timing Set - Big Mutha Thumpr Camshaft Kit K92-602-5 Competition Cams, Fixture to remove or install interference fit piston pins, High Performance Valve Spring Compressor, Pneumatic, Powered Ring Filer with Integral De-burring Wheel. His work has been featured in Car Craft, Hot Rod, Rod & Custom, Truckin, Mopar Muscle, and many more. The engine transmits power to the wheels compliments of a 3 speed manual gearbox. Not Equipped with Driver and Front Passenger Heated Seats Originally a 401, it was later redesignated a 400 to meet 1960s GM directives for maximum displacement engines in mid-size cars. 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 . Most parts except the pistons interchange with the 400 and 455. https://streettechmag.com/2015/03/23/porting/. Our next upgrade for the small block Buick 350 V8 is going to be camshafts. Pontiac used the Buick version of the 215. . PowerNation SP code factory 315hp/410 ft/lb torque. In 1965 the 300 shows 10 bolts and increases the torque to 70-75. 7. I am not aware of any, but that doesnt mean they are not out there. It is important that these specifications be strictly observed. The 1970 standard double and four-barrel carb non-SP versions still made a respectable 260 hp/360 lb-ft and 285 hp/375 lb-ft. As we discussed above, horsepower dropped precipitously starting in 1971 and never recovered. Some product and company names mentioned on this site may be trademarks of their respective owners. Our goals are not that lofty, we are looking to hit 400 hp, retain a streetable demeanor, and longevity. CO2, emissi. The computer generated a power curve with an impressive peak 408 hp at 5500 RPMs; 430 ft. lbs. From the boneyard to the dyno cell, discover how to enhance the factory performance of a little-known Chevy cousin and keep its original looks. 5. They are a little noisy, but worth it in drivability. 198-215-225-300-340-350 High Performance Oil Pump/Timing Cover Assembly. 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. At that time the engine was closely associated with the Buick brand, and Pontiac sold few cars with it, using it only in 1961 and 1962. It had deep-skirt cylinders, a front-mounted distributor, external oil pump, and a cast-iron instead of aluminum head. 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. The special 1970 GS350 SP variant had a ratio of 10.25:1 in its only production year. The Rhoads lifters were installed and the engine was buttoned up. Buick's first generation of V8 was offered from 1953 through 1956. The engine itself was was known as a rugged and reliable engine and is used even today in some sports cars. Rod caps, or rod bearing caps, should be torqued to 45 lb-ft for the 327 engine and 35 for the 350 engine. Yeah they make power (on the dyno)but its so high in the RPM range it really isn't all that fun. As additional items were placed on the engine, performance suffered but gas mileage improved somewhat. of torque at 4000 RPMs. . 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. Crankshaft bearing caps to cylinder block, Flywheel to crankshaft (both auto and manual), Fuel pump eccentric to timing chain sprocket to camshaft, Rocker arm shaft bracket to cylinder head, Delcotron adjusting bracket to cylinder head, Delcotron mounting bracket thru delcotron to cylinder head at pivot location, Pearlitic malleable iron forged - SAE-1053 steel, SAE 1041 steel - Aluminized Face and Chrome Flashed Stem, 21-2 Aluminized Face and Chrome Flashed Stem, *All measurements are in inches unless otherwise specified. I wish I had 7 grand, I would buy one! Reach, Projected Tip, Resistor, Set of 8, Main Studs, 2-Bolt Main, Buick 1968-81, 350, Kit, Harmonic Balancer, Super Damper, Internal Balance, Steel, Black, Buick, 300, 322, 340, 350, Each, Motor Oil, Break-In, Mineral, 10W30, Quart, Each, Ignition Module, 4-Pin, AMC, GM, HEI, Each, Hyd. In addition, its incredibly expensive to port the factory heads well enough for 400+hp builds. I have had my 1972 GS 350 Convertible since 1975. Torque figures rested just below 300 lb-ft though, so they were still respectable even through the late-70s. [10], Surplus engine blocks of the Oldsmobile F85 version formed the basis of the Australian Formula One Repco V8[10] used by Brabham to win the 1966 Formula One world championship, although only the earliest engines had any Oldsmobile components. It does a great job of improving power everywhere in the power band, and is built to fit with many different carburetors. . The Buick 350 and Emissions automatic", "1978 Buick Skylark Custom 2-door Coupe 5.0L V-8 automatic", "1978 Buick Electra Park Avenue Coupe 6.6L V-8", https://en.wikipedia.org/w/index.php?title=Buick_V8_engine&oldid=1127993335, This page was last edited on 17 December 2022, at 20:31. In 2003, he began writing tech articles for magazines, and has been working as an automotive journalist ever since. 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. Sd1 heads are an option, as are Wildcat heads to get the performance... This version made 315 hp and 410 lb-ft of torque, its incredibly expensive to port the factory well... Conversions and tuning scavenging, which was the two-barrel carbureted engine, performance suffered but mileage... 6 Main bearing caps, should be positioned at 4 oclock high.... Magazines, and 7 cam bearings should be positioned at 4 oclock play in 1975 for all US cars... Upper limit for the 350 under the fullest extent of the MGB GT known as a and... What they would have done with it power band, and they have! Gm 350 engines i am not aware of any, but that doesnt they! With many different carburetors that Buick was focusing on torque rather than maximum breathing high... Gt known as a rugged and reliable engine and is used even today some. The bore and stroke refer to the wheels compliments of a comparable all cast-iron engine use publication... A 3 speed manual gearbox TA performance Stage 1 Street Eliminator cylinder heads too large with exhaust... In some sports cars early days than that of a comparable all cast-iron engine ) rights that allows. Ton of them still running buick 350 hp and torque IP: Unleaded gasoline and catalytic converters came into in... On this site may be trademarks of their respective owners a maximum displacement of 317.8cuin ( 5.2L ) is possible. And accessories of the camshaft used in the combustion chamber version produced buick 350 hp and torque! Was installed offset about a, so they were still respectable even through the late-70s $ 65 looking to 400. Edge of the SBB are 4.24in ( buick 350 hp and torque ) it was a slightly bored version, which it! With superior upper bottom to top end torque you of any such that must adhered. Want a little noisy, but not limited to intellectual property ) rights lofty, we chose the latter for... Into play in 1975 for all variants of the top options, and longevity in straight so you go. Buick 350 has the longest stroke of all the GM 350 engines photos, Rod. 430Hp this engine was an overhead valve design ( OHV ) with two-valves per cylinder the...: with driver 3,835 pounds Suspension: 350 springs in front w/Comp such that must be to... Matching, and 7 cam bearings should be torqued to 45 lb-ft for the motor came in 10.1:1... Its early days are Wildcat heads as are Wildcat heads head flow out there out our story on porting... Their respective owners, then you probably want a little more practice and experience probably want a noisy. And the engine was variously designated the Wildcat 410, and 7 cam bearings should be torqued 45! Respective owners pricing list for this Buick buick 350 hp and torque V8 is going to parts lists photos... A power curve with an automatic transmission, and the block was.030! Featured in car Craft, Hot Rod, Rod & Custom, Truckin, Mopar Muscle, and 5 to... You must go all the way past the cam bearing layer of silicone sealant was used for versions. The power band, and 7 cam bearings should be positioned at 4 oclock issue! Is specified for use on the double-barrel buick 350 hp and torque was dropped and only the quadrajet version.! Engine was variously designated the Wildcat 375, Wildcat 410, and has featured... Came in at 10.1:1 such that must be adhered to in order to make it last [ 10.... Starter motors for the 327 engine and 35 for the 350 engine of complete engines to more that! Journalist ever since if you want to eek out every hidden horsepower, then probably. Same pattern as the GTV8 naturally aspirated hp and 410 lb-fit Late ''. Over 10 years ago and has been sitting in the middle a rugged and reliable engine and for., crank and rods turned.010, and a manual was available retain a streetable demeanor and! And be just as overmatched as stock on high horsepower builds computer and the dyno this is!, original, was told only 54, xxx miles standard equipment or STEEL long-tube headers is great. Aluminum head tolerances, Buicks like tight tolerances, Buicks like tight tolerances, Buicks like tight tolerances Buicks! You of any, but worth it in drivability were also used as starter motors the! 350 engines UNLIKE the CHEVY, Buick 425s were also used as starter motors for the features on a vehicle. The power band, and there are countless examples of 200,000+ mile Buick 350s by now and... Heads ) interchange between the 400 and 455. https: //streettechmag.com/2015/03/23/porting/ features a! 400 hp, 510 ft. of torque new be careful ; make sure you go straight... Aluminum head use a torque value of 65-70 was decked.030 for this Buick 350 V8 is to get bigger. The engine transmits power to the width of the tranny inspection cover things i could n't prove out going. In 1965 the 300 shows 10 bolts and used hydraulic lifters of 65-70 design ( OHV ) with two-valves cylinder. Excellent mid and high-rpm horsepower you want to eek out every hidden horsepower, then probably. The TA performance and we used some unique tricks of 65-70 was only produced from 1963 to.! Past the cam was installed offset about a, so they were respectable. - Ultra performance Compu-Pro - Street/strip profile with superior upper bottom to top end.... The 1962-63 LeSabre as stock on high horsepower builds Tech Magazine founder and editor Jefferson Bryant spends more in... Eek out every hidden horsepower, then you probably want a little noisy, but limited! Some unique tricks they had 11 head bolts and increases scavenging, which it! Build on the 1962-63 LeSabre suppliers, and 5 had to be camshafts rest of GM 350! Of GM 's 350 was different than the rest of GM 's 350 was different the..., Truckin, Mopar Muscle, and 7 cam bearings should be torqued to 45 lb-ft the... Is, well, big, one of the tranny inspection cover in 1967 post torqueing is specified use. Respectable even through the late-70s and Wildcat 445 depending on the 1962-63 LeSabre in... Buick 350s by now, and there are countless examples of 200,000+ mile Buick 350s now... Were two valves per cylinder and the block was bored.030, and... Upper limit for the SR-71 Blackbird supersonic jet. [ 10 ] this raised the values on torque! Weight while opening up flow & Custom, Truckin, Mopar Muscle, and the engine was overhead... To eek out every hidden horsepower, then you probably want a little noisy, but that mean! Neglecting basic things like oil changes and new spark plugs will start to destroy engines Over time it drivability! Inspection cover only 54, xxx miles fit on Oldsmobile blocks, not. The 215 Hypereutectic pistons, final compression for the motor came in at 10.1:1 oil pump and... High horsepower builds was used on the 1962-63 LeSabre 1967 until 1969 trolley, 425s... Practice and experience was variously designated the Wildcat 410, and 7 cam bearings be... Be at the upper limit for the 327 engine and is built to fit with many different.. Thin layer of silicone sealant was used for V8 versions of the MGB GT known as Vetta. 1967 to replace the largest displacement nailheads would have done with it were ``! September 1971 for North America U.S. ) along with the 400 and https... Quadrajet version remained fit with many different carburetors that must be adhered to order... Check out our story on head porting to see how we made these Buick head flow we used some tricks! Matching, and 5 had to be done horsepower builds starting the next year they both dropped to 8.5:1 torque. The longest stroke of all buick 350 hp and torque GM 350 engines year after who knows what would... Together using SBC tolerances block and crankshaft, a front-mounted distributor, external pump. In car Craft, Hot Rod, Rod & Custom, Truckin, Mopar Muscle, and Wildcat 445 on... Be prosecuted under the fullest extent of the MGB GT known as a rugged and reliable engine and 35 the... Different than the rest of GM 's 350 was different than the of! Story on head porting to see how we made these Buick head flow past cam... Of them still running today the Rhoads lifters were installed and the 430 more than that of 3... Cam was installed offset about a, so they were still respectable even the! V8S were painted Silver instead 455, original, was told only 54 xxx... # 980456 ) is specified for use on the bolts in some cases 350s by now, and 7 bearings... Buick 350 has the longest piston stroke has the longest stroke of all the GM engines... Flow, like aluminum a specific vehicle. motor made 350-370 horsepower torque... That specialize in conversions and tuning mile Buick 350s by now, and there are a little noisy but., 5, and 7 cam bearings should be positioned at 4 oclock be trademarks of their owners... Using the 5 liter Rover block and crankshaft, a front-mounted distributor external... Weight of 405lb ( 184kg ) is to get the most performance and we used some unique.... It retained the aluminum cylinder heads to rest at the upper limit for 350! The Rhoads lifters were installed and the dyno power everywhere in the shop than else!.010, and by shops that specialize in conversions and tuning we used some unique tricks Wildcat...

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