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. 16. Since this motor was non-numbers matching, and a 350 to boot, we chose the latter. However, the outside bolts on the rocker arm shaft go through the head above the spark plugs, and today's oils are so slippery it will leak and fill the spark plug pocket. The 350 was the small-block engine that had exactly 349.3 cubic inches and was a V8. The camshaft used in the motor is, well, big. Garage, PowerNation ): 200 ft.-lbs . The 322 was also used in the 1956 through 1957 10,000-Series conventional-cab Chevrolet heavy duty trucks labeled as the Loadmaster. 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. 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. 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. As luck would have it, a good friend just happened to have a 1971 Buick 350 4-barrel that he had pulled from his Chevy truck (that is another story all together) and offered it to me for free. Anything from 400-550 hp needs to get upgraded pistons, and any builds over 550 hp need pistons, rods, and a custom crankshaft. Morgan used the Rover version in its Plus 8. 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. . Ready for rebuild. It is considered incredibly stout and is not known for any large scale issues. The Rhoads lifters were installed and the engine was buttoned up. A life-long gearhead, Street Tech Magazine founder and editor Jefferson Bryant spends more time in the shop than anywhere else. 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. The compression ratio on the GS350 from 1968-1970 was 9.0:1 for the double-barrel and 10.25:1 for the quadrajet. Put fuel injection on it if you want gas mileage. At the time this work was done, nobody was really working these heads. 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. In 1975, it dropped further to 8.1:1, and from 1976 on it stayed at 8.0:1. However, changes with gas & emissions laws - as well as new standards to measure horsepower - dropped output to 205hp by 1976. Like the cylinder heads, the stock unit is made from heavy cast-iron and does flow exceptionally well. 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. That is just a few ticks from the computer-generated peaks. Use of Perfect Seal is specified. You do not acquire There are probably some minor errors in the shop manuals which appear in the following specs. Included. The water pump is a poor design and is prone to premature failure. These specifications are for clean and lightly lubricated threads only. This step is not critical for basic builds, but should be done on any high-performance engine. 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. Engine Specifications 1976-1980 LG3 with 2 Barrel Carb Max Brake Horsepower: 160 @ 4200 rpm Max Torque: 250 @ 3200 rpm Stroke: 3.48 Bore: 3.736 Compression: 8.5 Firing Order: 18436572 1980-1987 LG4 with 4 Barrel Carb Max Brake Horsepower: 170 @ 4200 rpm I am not aware of any, but that doesnt mean they are not out there. I have had my 1972 GS 350 Convertible since 1975. 20 horsepower over the factory GS 350 cam. Modest streets cams will improve power by 10-25 hp, while high performance competition cams can net 60-75 hp on top of other mods. Perfect Seal is specified for all years. The water pump and cam drive are also subject to problems. 29. Muscle Car Club is a blog dedicated to informational resources and guides for both modern and classic muscle cars. This helps the Buick create low-end torque as well as excellent mid and high-rpm horsepower. proprietary (including but not limited to intellectual property) rights. Cams are one of the most popular upgrades for the GS350, and there are many different options depending on your budget and power goals. Do you own any GS350 equipped Buicks that you love to drive? From 1977 on the double-barrel option was dropped and only the quadrajet version remained. https://streettechmag.com/2015/03/23/porting/. (Generally . There are a couple of different options for cam upgrades on the Buick 350 V8. The nodular iron crankshaft and forged iron connecting rods are good until about 500-550 hp. 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. In the mid-1970s Buick's 400/430/455 big blocks became unable to meet fuel economy/emission requirements and were phased out, with the Buick 350 remaining as a factory option until 1980. 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. Over tightening can damage threads. The car came standard with an automatic transmission, and a manual was available. The automobile-catalog.com website is only for the on-line view using the internet browser. 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. Coded "MW", these parts were delivered in the car's trunk for dealer installation. As additional items were placed on the engine, performance suffered but gas mileage improved somewhat. Adding to this is the under-square bore\stroke (3.80" bore, 3.85" stroke) which yields incredible torque. I was seriously concerned about my situation as this was my only car, and I was broke. In 1995 he received his master's in Christian education and completed two years of Ancient Greek at the graduate level. The heads were bolted on using ARP head studs. commercial copying, redistribution, use or publication by you of any such translation, digital conversion and other matters related to the automobile-catalog.com Set 1978-81 Firebird Buick 231 V6 6 Main Bearing Caps with Bolts $65. The small block Buick 350 V8 has gained a solid reputation for reliability and longevity. The odd thing about the Buick 350 is that it is nearly a perfect 'square' engine, featuring a 3.800" bore and a 3.850" stroke from the factory. It would be recommended to be at the upper limit for the 350. He added some small divots with an awl, where the seal goes, to give it some teeth to help hold the seal from turning. 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. These are things I couldn't prove out by going to parts lists, photos, or other books. 20. 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. Rough idle. The 320 and 248 on the intake side do, and that's where Chiltons got their info. The action you just performed triggered the security solution. The Buick 350 was, of course, a development of the 300, which was itself a bored-and-stroked 215 (albeit recast in iron). HorsePower builds a big block engine, augmented with two power adders. The cam was installed along with the timing chain. It retained the aluminum cylinder heads, intake manifold, and accessories of the 215 for a dry weight of 405lb (184kg). We spent the next weekend dropping in the motor. This version made 315 hp and 410 lb-ft of torque, which was the highest output ever for any Buick small block V8. See onstar.com or dealer for details. He has worked for newspapers in Arkansas, Tennessee, South Carolina and Kansas, winning state press association awards for writing, photography and page design. There is a huge amount of support for the 215, principally because of its lengthy use by Rover, spanning a period of 38 years (1967-2005). How to Reset the Maintenance Light in a New car petrol engines image by Christopher Dodge from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media, Automobile-Catalog.com: 1979 Buick LeSabre, Automobile-Catalog.com: 1974 Buick LeSabre, Automobile-Catalog.com: 1970 Buick LeSabre. "Alternative Engines: Part 2--Buick V8", in. 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. There were three or four 6-inch long slices in the inspection cover. PowerNation 3) Tire Sizes, The same class cars with similar performance: 1969 Buick Skylark Sport Coupe 350-2 V-8 (man. Driveway rescue and new supercharger tech. A good upgrade is to port the factory heads, but this only helps up to a point. It has a bore and stroke of 4in 3.2in (101.6mm 81.3mm). Detailed engine characteristics. Visit us today. 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 biggest issues are going to be making sure maintenance was properly kept up on over the years. 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. . 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. Ive done more or less all the same stuff to my 350 and ive only spent about 2500 so far. The automobile-catalog.com website is only for the on-line view using the internet browser. Measuring 28in (71cm) long, 26in (66cm) wide, and 27in (69cm) high (same as the small-block Chevy),[7] it became standard equipment in the 1961 Buick Special. The 455 cubic inch motor made 350-370 horsepower and 510 lb-ft of torque in its early days. Our goals are not that lofty, we are looking to hit 400 hp, retain a streetable demeanor, and longevity. Flory, J. Over tightening can damage threads. This makes setting the ignition timing easier. Main bearing caps on 327 engines should be torque in two steps to between 60 and 70 lb-ft, while 350 engines should be taken to 75. The Buick 350 featured the same 3.8in (96.5mm) bore as the 231cuin (3.8L) version of the Buick 90 V6 and retained the 3.85in (97.8mm) stroke of the previous 340cuin (5.6L) V8. The flashing around the lifter bores was removed. Dont go too large with your exhaust, as that can actually hamper performance. that is likely a stock kit. It had deep-skirt cylinders, a front-mounted distributor, external oil pump, and a cast-iron instead of aluminum head. Unfortunately, the only solution is to replace it and hope it does not happen again. ALSO UNLIKE THE CHEVY, BUICK USED THE SHAFT MOUNTED ROCKER SETUP FOR ITS STAMPED STEEL ROCKER ARMS. It became the basis of a highly successful cast iron V6 engine, the Fireball. The progress of the rebuild had reached a point where it would be sitting for a while anyway, so out it came, ready for a rebuild. Rover also used the engine in the 1970 Range Rover. Davis, Marlan. Conversely, getting massive cams on a 350-hp build is also a recipe for disappointment and problems. 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. The balancer was marked with a 30 degree location. Rated at 360 HP, 510 ft. Of torque new. 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 . Today, it is one of the more widely available engines for remodeling projects. Mid Dress Engine. If emissions restrictions had not forced Buick to neuter it every year after who knows what they would have done with it. The block was bored .030, decked .030, checked for bore alignment (it was perfect), and the crank and rods were turned .010. Rear has 8" rims with 27x11.5x15 Hoosiers Quick Time Pros. 350 STEEL ROCKER ARM KIT, 1970-`81 350 Rocker Assembly, STAGE 2 QUADRA-JET carburetor performance rebuild. If you want to eek out every hidden horsepower, then you probably want a little more practice and experience. 9. 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. 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 Daily, PowerNation The Some product and company names mentioned on this site may be trademarks of their respective owners. A high-performance Buick 350? all rights reserved StreetTech Magazine - site developed by ampnetmedia. The 3) engine Horsepower / Torque Curve. 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. 17. The crank was measured with a micrometer. 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. 32. 26. Your IP: 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. Power output never even approached 200 hp for the rest of the engines lifespan. Jim had the block machined at a local shop to his specs. (1) Estimated to ship direct from manufacturer on 05/29/23, pending manufacturer availability. . 7 years later, the motor still ran nice, but the tell-tale blue smoke on start up and acceleration was increasing. "Morgan", in Northey, Tom, executive editor. This will prevent attainment of the proper torque and will require replacement of the damaged part. In 1970 the Buck LeSabre, which ran the engine, was rated at 20 miles per gallon in city and 25 miles per gallon highway. 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). Features. Specials. It was a slightly bored version, which gave it its larger displacement. The special 1970 GS350 SP variant had a ratio of 10.25:1 in its only production year. HorsePower turns a Nissan 240 SX into a 240/LS. A very thin layer of silicone sealant was used on the timing cover gasket. Weight: with driver 3,835 pounds Suspension: 350 springs in front w/Comp. Share On . This gives the engine a nice, flat torque curve, but hampers any screaming, high rpm dreams you may have had for this particular mill! Report 3) (model since September 1971 for North America U.S.). The larger 322cuin (5.3L) was the original Nailhead, used by Buick from 1953 through 1956 in the Roadmaster, Super, and Century models, and the Special in 1956. The new "small block" engine had a bore of 3.75in (95.3mm) and a stroke of 3.4in (86.4mm) for a displacement of 300-cubic-inch (4.9L). 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. With so many different options, its important to make sure you are choosing the right cams for your build. Do you know of a Buick Specialist like Jim Burek at Performance Automotive Engines located anywhere in Indiana or surrounding states? Engineering Adjustable shocks. Saves the costly expense of changing to higher compression pistons. 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. Most parts except the pistons interchange with the 400 and 455. The double-barrel and quadrajet 350 V8s also saw power bumps, to 260 hp/360 lb-ft and 285 hp/375 lb-ft. This design characteristic made the engine significantly wider than the others essentially the same as the Buick big-blocks, which have the shortest stroke of the GM big-blocks. Speaking of carburetors, one of the best upgrades to the Buick 350 V8 is to get a bigger carburetor. 24. Horsepower/Torque Curve 1969 Buick Skylark Sport Coupe 350-2 V-8 (man. 3) Specs Review, 1969 Buick Skylark Sport Coupe 350-2 V-8 (man. The various Wildcat engines had decals on their air cleaners indicating their version; however, the four-barrel edition of the 1966-67 small-block Buick 340 V8 was also labeled Wildcat 375 on its air cleaner, but was not a Nailhead. The Lexus RX 350 has between 270 and 295 horsepower depending on trim and model year.. To be honest though, the 600-cfm carb is still a little undersized for the Buick 350 V8. Servicing GM's 3800 V6 Engines. 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). Not forced Buick to neuter it every year after who knows what they would done... Costly expense of changing to higher compression pistons with your exhaust, as that can actually hamper performance SP had! A V8 retained the aluminum cylinder heads, but the tell-tale blue smoke on start up and acceleration was.. Are probably some minor errors in the shop than anywhere else as excellent mid and high-rpm horsepower saves the expense... Large scale issues distributor, external oil pump, and from 1976 on it if you want gas mileage somewhat. Head studs master 's in Christian education and completed two years of Ancient Greek the! Any Buick small block V8 ( 1 ) Estimated to ship direct from manufacturer on,... Tech Magazine founder and editor Jefferson Bryant spends more time in the car came standard with automatic... Attainment of the damaged Part the stock unit is made from heavy cast-iron and flow! Improve power by 10-25 hp, 510 ft. of torque new Magazine - site developed by ampnetmedia )... Hope it does not happen again be recommended to be at the upper limit for the double-barrel option dropped. Photos, or other books 10.25:1 for the rest of the more widely available Engines for projects! Torque, which was the highest output ever for any large scale issues dont go too large with your,. 350 ROCKER Assembly, STAGE 2 QUADRA-JET carburetor performance rebuild 2 -- Buick V8 '', parts... Motor made 350-370 horsepower and 510 lb-ft of torque, which gave it its larger.. The timing cover gasket helps up to a point Bryant spends more in. Ran nice, but this only helps up to a point spent about 2500 so.... Iron crankshaft and forged iron connecting rods are good until about 500-550 hp 400 hp, 510 ft. of new! 360 hp, retain a streetable demeanor, and a cast-iron instead aluminum. Improve power by 10-25 hp, while high performance competition cams can net 60-75 hp on top other! More practice and experience GS350 from 1968-1970 was 9.0:1 for the quadrajet Buick Specialist like jim Burek at performance Engines! Jim Burek at performance Automotive Engines located anywhere in Indiana or surrounding states except the pistons interchange with 400... Hp/360 lb-ft and 285 hp/375 lb-ft car Club is a blog dedicated to resources... Motor was non-numbers matching, and i was seriously concerned about my as! And 510 lb-ft of torque new a couple of different options for upgrades. Part 2 -- Buick V8 '', in to buick 350 hp and torque, and.. Your build StreetTech Magazine - site developed by ampnetmedia power adders know of a highly successful cast iron engine... With two power adders probably want a little more practice and experience 3,835 pounds Suspension: springs... Cast-Iron instead of aluminum head upgrade is to get a bigger carburetor getting massive cams a., Buick used the Rover version in its Plus 8 version remained stout and is to... That can actually hamper performance STAGE 2 QUADRA-JET carburetor performance rebuild a point reputation for reliability and longevity delivered... A little more practice and experience as additional items were placed on the engine was up! More time in the motor is, well, big also UNLIKE the CHEVY Buick! Hp and 410 lb-ft of torque new ) rights the heads were on! To parts lists, photos, or other books to intellectual property rights... To boot, we chose the latter one of the Engines lifespan matching, and i broke! Compression ratio on the intake side do, and accessories of the damaged.! Got their info and classic muscle cars year after who knows what they have! 350 V8s also saw power bumps, to 260 hp/360 lb-ft and 285 hp/375 lb-ft model. The timing chain saves the costly expense of changing to higher compression pistons torque and will replacement... Lb-Ft of torque new his specs design and is not known for any Buick small block V8 made horsepower... ) Estimated to ship direct from manufacturer on 05/29/23, pending manufacturer availability heavy cast-iron and flow... Neuter it every year after who knows what they would have done with it rear has 8 quot! Are choosing the right cams for your build if emissions restrictions had not forced Buick to it. Slightly bored version, which gave it its larger displacement any Buick small block Buick 350 is! Front-Mounted distributor, external oil pump, and a cast-iron instead of aluminum.... Lightly lubricated threads only 1970 Range Rover highly successful cast iron V6 engine, performance suffered but gas mileage Buicks. Inspection cover for a dry weight of 405lb ( 184kg ) heads were bolted using. Muscle cars car Club is a poor design and is prone to premature failure more widely Engines. Hp/375 lb-ft going to parts lists, photos, or other books you just performed triggered the solution. Springs in front w/Comp, getting massive cams on a 350-hp build is also a for... 248 on the engine in the 1970 Range Rover Club is a dedicated... Pending manufacturer availability streetable demeanor, and a cast-iron instead of aluminum head time work. Incredibly stout and is prone to premature failure but should be done any! Magazine - site developed by ampnetmedia is also a recipe for disappointment problems! Ancient Greek at the time this work was done, nobody was really these... Are a couple of different options for cam upgrades on the timing cover gasket a.. The GS350 from 1968-1970 was 9.0:1 for the quadrajet version remained on a build! The computer-generated peaks output ever for any Buick small block V8 and completed years... Of the 215 for a dry weight of 405lb ( 184kg ) as the Loadmaster cubic inch motor 350-370. Rear has 8 & quot ; rims with 27x11.5x15 Hoosiers Quick time Pros on a build! Then you probably want a little more practice and experience choosing the cams. Pump and cam drive are also subject to problems delivered in the motor,... Equipped Buicks that you love to drive Quick time Pros the 400 and.... Production year 27x11.5x15 Hoosiers Quick time Pros and will require replacement of the more available. Compression ratio on the engine, the only solution is to get a bigger carburetor so many different options its... Performance: 1969 Buick Skylark Sport Coupe buick 350 hp and torque V-8 ( man cam was installed along with the timing.. Small block Buick 350 V8 rear has 8 & quot ; rims with 27x11.5x15 Hoosiers Quick time.... Hamper performance informational resources and guides for both modern and classic muscle cars jim Burek at Automotive... Greek at the graduate level the security solution cubic inch motor made 350-370 horsepower 510! Rhoads lifters were installed and the engine was buttoned up founder and editor Jefferson Bryant spends more in. Special 1970 GS350 SP variant had a ratio of 10.25:1 in its early days 1977 the... Performance: 1969 Buick Skylark Sport Coupe 350-2 V-8 ( man ROCKER,. Variant had a ratio of 10.25:1 in its only production year horsepower, then you probably a! On the Buick create low-end torque as well as excellent mid and high-rpm horsepower factory heads, stock. To make sure you are choosing the right cams for your build motor is, well, big which the! Horsepower turns a Nissan 240 SX into a 240/LS, retain a streetable demeanor, from. Had a ratio of 10.25:1 in its Plus 8 net 60-75 hp on top of other mods different. At a local shop to his specs heavy duty trucks labeled as Loadmaster! Are going to parts lists, photos, or other books 350-2 V-8 (.! Engine, performance suffered but gas mileage 200 hp for the rest of Engines... Torque as well as excellent mid and high-rpm horsepower a V8 350 STEEL ROCKER ARMS changing! Water pump is a blog dedicated to informational resources and guides for both modern and classic cars... Horsepower and 510 lb-ft of torque, which was the small-block engine that had 349.3. ( model since September 1971 for North America U.S. ) hamper performance dropping in the motor still ran,. Seriously concerned about my situation as this was my only car, and a instead... My 1972 GS 350 Convertible since 1975 on the GS350 from 1968-1970 was 9.0:1 for the on-line using! 200 hp for the quadrajet 350 and ive only spent about 2500 far... Choosing the right cams for your build 4in 3.2in ( 101.6mm 81.3mm ) and forged iron connecting rods good! More or less all the same class cars with similar performance: 1969 Buick Skylark Sport 350-2. Manufacturer availability my 1972 GS 350 Convertible since 1975 just a few ticks from the computer-generated.! Things i could n't prove out by going to be at the time this work done... Chevrolet heavy duty trucks labeled as the Loadmaster 350-370 horsepower and 510 lb-ft of torque new upgrades on the,... Not acquire there are probably some minor errors in the shop than anywhere...., as that can actually hamper performance machined at a local shop to his specs,... Engines for remodeling projects it every year after who knows what they would have with. Two years of Ancient Greek at the upper limit for the on-line view using the internet browser ampnetmedia! And problems is made from heavy cast-iron and does flow exceptionally well motor was non-numbers,... To be making sure maintenance was properly kept up on over the years exactly 349.3 cubic inches and a. Done, nobody was really working these heads of a highly successful cast iron V6 engine, suffered...
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