The completed engine has been in the car for about 8 years, and it still runs strong. commercial copying, redistribution, use or publication by you of any such They are a little noisy, but worth it in drivability. Dual exits are also a nice touch for most Buick 350 equipped vehicles, though single exits perform just as well. Ive done more or less all the same stuff to my 350 and ive only spent about 2500 so far. [citation needed] The Oldsmobile wedge-shaped/quench combustion chambers/pistons are more compatible with modern low-octane/low-lead motor fuels than the Buick 'hemispherical'-shaped combustion chambers and domed pistons. The 350 can be bored slightly larger, and usually is for high horsepower builds. This will prevent attainment of the proper torque and will require replacement of the damaged part. I assume an actual measured 9 to 1 not factory rated as you will be way lower. The biggest issue on the GS350, and really most 1970s Buick engines, is going to be the oiling system. This will help hasten the oils return to the pan. High performance camshafts in the making and a Super Chevy celebration of Speed and beauty. I have had my 1972 GS 350 Convertible since 1975. It is extremely heavy and flows very poorly, hampering performance in just about every way imaginable. The 400-cubic-inch (6.6L) was produced from 1967-1969. The only thing saving my right foot was a bellhousing bolt that didnt shear off when the back of the cam hit the bellhousing, busting the entire ear, and bending the bolt. Dont go too large with your exhaust, as that can actually hamper performance. Detailed Search Interface on the Home Page, Photo of the moment:2020 Renault Captur E-Tech 160 Plug-In Hybrid (Photo: Groupe Renault), Quick access to automobile-catalog website - type in a browser: a-c.li. 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. Oldsmobile and Pontiac each used an all-aluminum 215 on its senior compact cars, the Oldsmobile F-85, Cutlass, and Jetfire, and Pontiac Tempest and LeMans. Since I haven't got the original 300 anyway I thought the RP coded 10.5:1 compression 350 motor would be alright as it is the second highest hp/torque 350 made. The manifold is the biggest choke point for airflow on the Buick 350. This version made 315 hp and 410 lb-ft of torque, which was the highest output ever for any Buick small block V8. Of all the GM "350s", the Buick has the longest piston stroke. torque rating of 410 ft-lbs. A mid-year introduction was the Buick Special Skylark version, which had 10.0:1 compression and a four-barrel carburetor, raising output to 185hp (138kW) at 4,800rpm and 230lbft (312Nm) at 2,800rpm. The pistons,conecting rods,and valve train are all the same. The hole depth is 4 inches. . The Oldsmobile version of this engine, although sharing the same basic architecture, had cylinder heads and angled valve covers designed by Oldsmobile engineers to look like a traditional Olds V8 and was produced on a separate assembly line. It only made 45 hp less than the monster Buick 455 V8, but the big blocks had a 100 lb-ft advantage in torque. 228 hp @ 5000 rpm 258 lb-ft of torque @ 1500-4000 rpm Engine Stop/Start capable, with deactivation switch that allows customers to choose whether or not they want to use the auto-stop function . In 1975, it dropped further to 8.1:1, and from 1976 on it stayed at 8.0:1. Buick introduced a "big block" V8 in 1967 to replace the largest displacement nailheads. Jim opened up the oil feed passage, in the timing cover to the block, to 1\2. In 1966 Buick engines switched to "Buick Late Red", but until 1967 at least, the 300 V8 (and the 225) were still painted Buick Late Green. 20. Any builds shooting for higher will need a custom crank and higher strength forged connecting rods. 3) (model since September 1971 for North America U.S.). Rover also used the engine in the 1970 Range Rover. Then added a thin film of RTV so oil wont leak around it. The engine transmits power to the wheels compliments of a 3 speed manual gearbox. . All are naturally aspirated OHV pushrod engines, except for an optional turbocharged version of the short-lived 215 used in the 1962-63 Oldsmobile Jetfire. The block was bored .030, decked .030, checked for bore alignment (it was perfect), and the crank and rods were turned .010. The 400-based 455cuin (7.5L) was produced from 19701976, with a bore x stroke of 4.31in 3.9in (109.5mm 99.1mm). Here is the pricing list for this Buick 350 build. 1970 Buick 350 engine with TH350 transmission - $1,200 (Harwich) View larger image Ad id: 2801212568663486 Views: 221 Price: $1,200.00 Complete 70 Buick 350/4bbl Hi-Compression engine with TH350 transmission. The 2020 Ford F-150 LARIAT 4WD SuperCab 8' Box has a: horsepower rating of 400 hp. The internals are a little weaker, but they are still capable of handling most moderate to big power builds. In 1966, the 300's stroke was increased to 3.85in (97.8mm) to create the 340 (340cuin (5.6L)) as a replacement for the four-barrel-carbureted 300. The engine was discontinued for the 1980 model year. 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 Using a 12-inch long, inch drill bit, the suction side oil galley from the front of the block to the oil pick-up tube was opened up. $3,777.00. Our next upgrade for the small block Buick 350 V8 is going to be camshafts. [170 kW] @ 5000 rpm, 258 lb-ft of torque [350 N-m . commercial copying, redistribution, use or publication by you of any such Small Block Chevy 350 ci. 350 Buick Small Block V8 parts in-stock with same-day shipping. Jim has been building high-performance Buicks for over 20 years and is considered by many to be one of the best. Mark Demko, Jan 15, 2023 #10 Dano Platinum Level Contributor 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. Rated at 360 HP, 510 ft. Of torque new. Buick's second variation of the nicknamed "Nailhead" was produced from 19571966, and the "Fireball" name was no longer used starting in 1958, and was very briefly called the "B-12000" referring to the 12,000 foot pounds generated by each piston.[3]. Expensive to build, though. Not for the faint of heart, we opted for the largest cam Poston Buick makes for the 350, with over .520 lift and 302 degrees of duration, you will hear the GS coming long before you see it. This will significantly improve oil flow. The engine was variously designated the Wildcat 375, Wildcat 410, and Wildcat 445 depending on the torque each version produced. This is easier. Spark Plug Wires, Super Stock, Spiral Core, 8mm, Black, Stock Boots, Buick, Oldsmobile, Pontiac, Set, Spark Plugs, U-Groove, Tapered Seat, 14mm Thread, .460 in. You can email the site owner to let them know you were blocked. It does a great job of improving power everywhere in the power band, and is built to fit with many different carburetors. As we mentioned earlier, the highest performing 350 V8 that Buick released was with the SP engine code. Cams are one of the most popular upgrades for the GS350, and there are many different options depending on your budget and power goals. The Buick 350 small block, though not quite the level of the upper echelon 400 and 455 big blocks, is still a very capable performer. The original design of the Buick 350 differs so much from the traditional small-block Chevy that people are afraid of it. The 350 was used from 1968 to 1980 in large Buicks. The bore and stroke refer to the width of the cylinder and the distance it travels. Out of the box they offer a 30-hp increase over stock. Rough idle. An early-development supercharged version of the 215-cubic-inch (3.5L) V8 was used in the 1951 Le Sabre concept car,[5] and the 1953 Buick Roadmaster concept car, and work on a production unit commenced in 1956. From 1946-1962, there had not been a single stock-block car in this race. Will rev to 6000 RPM. In 1966 torque goes to 65-80 and in 1967 post torqueing is specified. Needless to say, the block was history. This 2023 Buick Envision Essence is for Sale in Collinsville, IL. Long-tube headers are a great upgrade for the Buick 350 because they replace the incredibly restrictive and heavy cast-iron exhaust manifold. (Originally, it was known to hot rodders as the nail valve because the valves had long stems and small heads which made them look like nails. Buick Connected Access capable, Subject to terms. A good upgrade is to port the factory heads, but this only helps up to a point. Jordan holds a Bachelor of Arts in journalism. Overall, its very reliable, well engineered, and at least from 1968-1970 produced solid performance straight from the factory. The bore and stroke of the engine was 3.80 in x 3.85 in, making it just barely undersquare. If you choose to install the cam after the rods, then the crank will have to be rotated as you install the cam. "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! All years had 14 bolts. Changing the compression ratio on an Oldsmobile 215 required changing the heads, but on a Buick 215, only the pistons were changed, which was less expensive and simpler. Our suggestion is once again from TA Performance, its their 350 Stage 1 Intake Manifold. Head bolt torque pattern for Buick 350 from 1970. Pulled from a Skylark 10 years ago and has been sitting in the barn since then. High Performance Crate Engine. 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. 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. $291.72 . All done, the short block is complete. Use a reliable torque wrench to obtain the figures listed below. 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. These engines had 11 bolts per head. [33] Most parts except the pistons interchange with the 430 and 455. The factory 350 heads are heavy cast iron and flow very poorly even with the taller ports. The Lexus RX 350 has between 270 and 295 horsepower depending on trim and model year.. 144,000 miles. 2022 PowerNationTV.com, PowerNation Studios. It was also used on some Jeep Wranglers and Wagoneers during the years it was used in the GM lineup. IN ADDITION TO ITS EXTRA WIDTH, THE BUICK 350 INTAKE MANIFOLD HAS SOME SERIOUS WEIGHT TO IT, TIPPING THE SCALES AT 67 POUNDS. HorsePower turns a Nissan 240 SX into a 240/LS. The explanation generally given is that Buick was focusing on torque rather than maximum breathing at high rpm. Anything from 400-550 hp needs to get upgraded pistons, and any builds over 550 hp need pistons, rods, and a custom crankshaft. That should really be the minimal size for anyone looking at any sort of performance build on the Buick GS350. Jim had the block machined at a local shop to his specs. The following torques and torque patterns were compiled with the help of Todd. 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. Skip to content. But also note how that, despite the extremely restrictive single exhaust, the 4-bbl let the thing breathe better, increasing the peak-torque to peak-hp spread from 1200 to 1600 RPM. Later Rover versions of the aluminum block and subsequent Buick iron small-block 300s with aluminum, then iron heads, 34 (0 and 350 with iron heads) went to a four-bolt-per-cylinder pattern.[8]. $1250 call or text 1970 Chevy 350 4 bolt block, dated F-22-70, casting # 3970010New bore 030, deck 9.000New cam bearings, brass plugs, cleanedGM steel crank now R-010M010Reconditioned rods, new ARP boltsL2256F030 forged pistons, low hours, flat top1970 Chevy heads 3947041XNew guides, new Ex 1971 buick 350 came out of a jeep wagoneerHeads have been rebuiltAll new:Aluminum intakeEldelbroc 4 barrel carbHei distributor1 wire altenatorI believe engine was rebuilt and bored .030 over. The flashing around the lifter bores was removed. Post-torqueing is not specified. The engine itself did not change. It had deep-skirt cylinders, a front-mounted distributor, external oil pump, and a cast-iron instead of aluminum head. Daily, PowerNation All of the nailhead designs have a 4.75in (121mm) bore spacing. [10] The engine had an abnormally high scrap ratio due to hidden block-casting porosity problems,[10] which caused serious oil leaks. 1GKKNRL43PZ164012 . That means that options are pretty limited on availability for the GS350, but they are still available. A radius was cut into the oil feed passage, in the timing cover, using a ball end mill. proprietary (including but not limited to intellectual property) rights. (Generally . This meant that Buick heads would fit on Oldsmobile blocks, but not vice versa. Privacy Policy, Cookies Policy and Terms and Conditions and Disclaimer. Any builds with superchargers or turbos need carbs with at least 950-cfm to adequately support enough flow. The only thing that wont need upgrading at that point at really any point is the block, which is rock solid through over 1,000 hp. translation, digital conversion and other matters related to the automobile-catalog.com You do not acquire A Buick 350 was an underdog for sure, it powered Skylarks and Le Sabres, and that's how it was viewed, a good running 350 with great low end torque, but was never considered a "performance" engine like the Stage 1 455. 2. 220lbft (298Nm) of torque was produced at 2,400rpm with a Rochester 2GC (DualJet) two-barrel carburetor and 8.8:1 compression ratio. The rebuild kit I would assume has all the gaskets, rings, bearings, oil pump, etc? Perfect Seal is specified for all years. The main oil feed holes on #2, #3, and #4 mains were opened up from the stock to 5/16. Reproduction of part or all of the contents of this web-site in any form is prohibited and may not be recopied and shared with a third party. You can do the work yourself or have a shop do the work. Among the differences between the Oldsmobile and Buick versions was weight, being somewhat heavier, at 350lb (160kg). 255 @ 5,800 rpm Horsepower. The Super Wildcat (Regular Production Option {RPO}-coded Y48) was available on the 1965 Riviera Gran Sport and 1966 Wildcat GS, which included two four-barrel carburetors and matching intake manifold. 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. In 1962, the 215 was the only non-Offenhauser-powered entry in the field. That is just a few ticks from the computer-generated peaks. 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). CO2, emissi. It is considered incredibly stout and is not known for any large scale issues. Violations of copyright will be prosecuted under the fullest extent of the law. See onstar.com or dealer for details. His career began in the car audio industry as a shop manager, eventually working his way into a position at Rockford Fosgate as a product designer. Strong mid to top end torque and horsepower. The automobile-catalog.com website is only for the on-line view using the internet browser. The later 455 engines were detuned and don't develop near the nearly 430hp this engine has. 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. In 1966 torque goes to 65-80 and in 1967 post torqueing is specified. 350 STEEL ROCKER ARM KIT, 1970-`81 350 Rocker Assembly, STAGE 2 QUADRA-JET carburetor performance rebuild. This engine had a bore and a stroke of 4.1875in 3.9in (106.36mm 99.06mm). 24. The long-lived rumors of bad oiling systems (unfortunately true, but easily rectified) and relative scarcity (built from 1968 to 1980) is harder to find than an SBC motor, dont let that stop you, though, as these motors have quite a bit going for them. [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. 7. Does that sound reasonable? Buick's 350 was different than the rest of GM's 350 engines. 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. Your email address will not be published. ALSO UNLIKE THE CHEVY, BUICK USED THE SHAFT MOUNTED ROCKER SETUP FOR ITS STAMPED STEEL ROCKER ARMS. Gary, JW built this SBB 350. 27. The Buick 350 has the longest stroke of all the GM 350 engines. This makes setting the ignition timing easier. Buick introduced the 350 V8 (also known as GS350) in 1968 as the successor to the GS340 V8. Post torqueing is not specified, Perfect Seal is. From 1977 on the double-barrel option was dropped and only the quadrajet version remained. Reducing reversion also lowers EGTs, which can get pretty high on builds with higher compression pistons. translation, digital conversion and other matters related to the automobile-catalog.com 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. Notice the mis-aligned main bearing feedholes, this is even after the passages were drilled. The base model was rated at 350hp (261kW), while the 455 Stage 1 equipped with a single 4-barrel Rochester Quadrajet carburetor was rated at 360hp (268kW) at 4600 rpm. 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 . Buick 1970 Buick Skylark History Gallery Recalls Valuation. We spent the next weekend dropping in the motor. Buick, like most of its competitors, continued to expand their durable V8 engine to larger displacements, such as the 4.125 by 3.4 inches (104.8mm 86.4mm) (bore by stroke) 364cuin (6.0L). Jan 19, 2013. 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. I have been working towards building the market for the small Buick for the last 13 years. All the jagged edges are gone on the left, this really does make a difference. The bore and stroke was 3.8 and 3.85 inches. 17. The most obvious way to tell if the oil pump is going bad is a lack of oil pressure. The Buick 350 has the longest stroke of all the GM 350 engines. The best way to fix this is to replace the oil pump and change the cast-aluminum timing cover to something more durable. still build engines would like to find out price for performance 350 heads thanks, Unfortunately, there are no performance heads for Buick 350s, you have to port them yourself. Greatly improves power, torque and acceleration without affecting drivablility. 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. 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. 3. 19. matters or any part of this site is strictly prohibited. Yes the cams listed there are all lower rpm . Been kept indoors. Do you own any GS350 equipped Buicks that you love to drive? alleycat. 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. 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. The biggest issues are going to be making sure maintenance was properly kept up on over the years. You can step up the valves, port and polish the runners, and add adjustable rockers or pushrods. Jefferson has also written 5 books and produced countless videos. The Buick 350 and Emissions 45.157.234.42 The water pump and cam drive are also subject to problems. (228 hp [170 kW] @ 5000 rpm, 258 lb-ft of torque [350 N-m] @ 1500-4000 rpm) (Beginning with start of production, vehicles will be forced to include (00Y) Not Equipped with Rear Park Assist, which removes Rear Park Assist.