Oldsmobile 307 Torque Specs

Oldsmobile 307 Torque SpecsFor our collaborative efforts-not to mention the efforts of the new parts-the 307 put out a very respectable 315hp at 5,200 rpm and 330 lb-ft torque at 3,800 rpm. When all bolts have been tightened to this figure, begin the tightening sequence again, and torque all bolts to 130 ft. Verify your engine specs with a service manual for your year and model. It was used in cars from every GM brand (Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac). The 307 featured an iron block and heads and a bore and stroke of 3. gasoline (petrol) engine with displacement: 3791 cm3 / 231. This car is 5232 mm / 206 in long, 1814 mm / 71. Flywheel-to-Crankshaft Bolts 75-85 ft. They are very lacking in power from my experience, but VERY fuel effiecient (this may be due to the gearing though in these cars-I swapped out the 307 in my olds for a 455 and still averaged 15+ mpg)! My grandfather has a 83 Park Ave that if treated nicely would get around 30 mpg on the hwy. There are two different versions of the H. In sequence, rotate all bolts an additional 70 degrees. When you're in the middle of a big build, one of the more difficult things is finding a reliable source for information when you need it. 3) Horsepower/Torque Curve. 260, 307, 330, 350, 400, 403, 425, 455 Cid. low-end torque, so performance is great in the 500-3500rpm range; unfortunately, the factory engine is pretty much optimized for that range, so any additional "hot-rodding" would likely diminish performance, unless you changed *everything* (cam, heads, intake, exhaust, carb, etc). Check the tables below for detailed outside and inside dimensions, output, fuel economy and performance data. Automotive Chassis Torque Specs. Engine Specifications 1968 - 1971 with 2 Barrel Carb Max Brake Horsepower: 200 @ 5800 rpm Max Torque: 300 @ 4200 rpm Stroke: 3. Over 6,000 Automotive Torque Specs. Cam and Lifter kit, Muscle Car Cam,310hp350 Olds, Hydraulic Flat Tappet, 1,500-4,000 RPM Range,. Though the engine was still a bit short on displacement and power compared to its forebears, with just 180-net hp from its 307 cubic inches, it was right on par with its contemporaries and other specifications revealed that the muscle car formula had advanced a bit mechanically over the years. The 307 featured an iron block and heads and a bore and stroke of 3. The 307 was the largest engine available in the Cutlass and its G-body siblings, and was equipped in all cases with a Rochester Quadrajet carburetor. head gasket and dome Posted by hcolp on Feb 12, 2011 1 Answer Anonymous Master. p and i ould just like to get it up to 250-275 any thoughts on what i should start with in getting this done?. The BoxWrench Engine Specs Database is a community resource for mechanics of all Generation Two Oldsmobile V8. I also think that Olds engines are called torque engines because they usually produce a higher torque figure than hp, but i believe this is due to the torque peak being reached at a relatively low rpm. They are not far apart up to 90KM/hr, but the. Oil capacity is 5 quarts, including the filter, and oil pressure is 30 psi @ 1500 rpm. The 1983 Oldsmobile Cutlass Supreme measures 71. Engine Torque Specs larger image Engine Torque Specs DISCLAIMER: This page is not intended to replace the information contained in a factory level service manual and is intended solely as a "Quick" reference. But with 1. This knocked torque down to 460 lb-ft and horsepower to 350, both gross ratings. The 1983 Oldsmobile Cutlass Supreme measures 71. The 307 was the largest engine available in the Cutlass. Retarding the cam on the big block to bleed off a little low end torque also adds power on the top end where it can be used. The 307 also went into other GM cars such as the Buick, Pontiac, Cadillac and Chevy. always torque bolts in three equal increments Head Bolt Tightening Sequence. I've ran into this a few times. Apr 8, 2019. In sequence, rotate all bolts another 60 degrees. The 307 came with a 4 speed, pretty optimum for that engine, but the 425. Retarding the cam on the big block to bleed off a little low end torque also adds power on the top end where it can be used. It was used in cars from every GM brand (Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac). While universally panned, the 307’s layout is really nothing less than a “stroker” 283. There are many different olds engines, most notably the V8 small block versions like 307 and 350 cubic inch and the big block V8 oldmobile motors such as the 400, 425 and 455 ci. 0:1: Firing Order: 1-8-4-3-6-5-7. of torque at 4,600 rpm, which doubled factory 200 horsepower ratings. Camshaft Sprocket Bolt 65 ft. The 307 shares the same stroke as all the other Olds small-blocks (3. Back in 1985, Rob Van Vleet bought his 1966 Olds Cutlass 4-4-2 for $350 from its original owner, his father-in-law. The 307 was built from 1980 through 1990, produced from 140hp to 180hp, and was installed in just about every car Olds built in that period at one time or another, including the Cutlass/442, Delta 88's, 98's and Toronados. Oldsmobile 350-455 7/16" SS hex. 1 Cylinder head bolt torque sequence Fig. Most 307's were rated at 140 hp. Buick 307 ci Y 8 cyl Year 1980-1994 Liter 5. 60 inches in width, The 1983 Oldsmobile Cutlass Supreme measures 200. Oldsmobile Cutlass Supreme Coupe 5. While the 283 was among the best-performing engines of its day and was certainly durable, it was also small. It was used in cars from every GM brand. I threw the others in because you may need them. Only available on the '83-'84 Hurst/Olds and '85-'87 442. 0L/307 Camshaft Kits and get Free Shipping on Orders Over $109 at Summit Racing! Melling M-Select Torque Cam and Lifter Kits CL-MTO-1 Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 280/290, Lift. 385 inches, producing 140hp at 4,000 rpm in workaday form. Torque the front three M6 head bolts to 106 in. Oldsmobile Torque Specs. Distributor Rotation Distributor Rotation refers to the direction that the rotor (located underneath the distributor cap) will spin as the engine runs. These Rocket engines were heavier than a SBC, but they stood on some serious pounds-feet of torque. 8000 Stroke NA Buick 340 ci 8 cyl Year 1966-1967 Liter 5. One last displacement increase in 1959 to 394 cubes and a top power rating of 330 horsepower,. com/_ylt=AwrFGZIvbGZkScIRPxtXNyoA;_ylu=Y29sbwNiZjEEcG9zAzIEdnRpZAMEc2VjA3Ny/RV=2/RE=1684462768/RO=10/RU=https%3a%2f%2foldsjunction. In 1986 and 1987 Oldsmobile perfected the design of the 307 with a roller cam and lifters and incorporating. It's interesting that all engines have the same torque as hp at 5250 rpm. From 1980 until 1990, Oldsmobile made a 307-cubic-inch, eight-cylinder engine that was capable of producing between 140 and 180 horsepower. The 307 came with a 4 speed, pretty optimum for that engine, but the 425. Question about Oldsmobile 88 1 Answer Like to know torque settings for 1984 olds 307. Compared to the typical LG4 305 (4bbl, rated at about 150hp), or the 302 MPFI (150hp with single exhaust in Crown Vics), the 307 feels like isn't even in the same league. Rob's engine, like some (but not all) 1968-and-earlier Olds engines, was machined for huge. Torque Spec** Notes: Balancer to crank: 3/4-16 x 1 1/2: 160 ft/lbs: Grade 8 (Large Washer) Balancer pulley: 5/16-18 x 3/4: 20 ft/lbs: Grade 5: Choke Tube to manifold: 5/16-18 x 5/8: 15 ft/lbs: Grade 5: Distributor hold down: 3/8-16 X 1 1/2: 17 ft/lbs: Grade 5: EGR Valve to intake: 5/16-18 x 7/8: Grade 5 Flanged: EGR Valve to intake: 3/8-16 x 7/. I just checked my service manual for a 1985 Cutlass with a 307 and the torque specs for the oil pump and exhaust manifold are the same as the ones in the link I posted. The 307 was also the last carbureted V8 that General Motors manufactured. It was also used in many Buick, Pontiac, Cadillac and Chevy models. In 1971 the Oldsmobile 455 V8 would begin to fade from the high performance landscape. For our collaborative efforts-not to mention the efforts of the new parts-the 307 put out a very respectable 315hp at 5,200 rpm and 330 lb-ft torque at 3,800 rpm. Generation Two Oldsmobile V8 260, 307, 330, 350, 400, 403, 425, 455 Cid Firing Order Torque Specs These specs may not be correct for your application. 1L engine? the torque specs for the intake manifold are 115 inch. General Specifications Block: Type: 90-degree V8: Displacement: 5. OLDSMOBILE Engine Torque Values Torque Specs are for clean and lightly oiled threads in Ft. In 1986 and 1987 Oldsmobile perfected the design of the 307 with a roller cam and lifters and. Most Olds engines have the cubic inches cast into the side of the block, though the 307 has a casting of a 5. While accuracy is a main goal of this page, it is not guaranteed. About 140hp and 235ft-lbs (depends upon year and where you get your info). of torque at 4,600 rpm, which doubled factory 200 horsepower ratings. Its got nice mags and stinger tires. Torque Spec** Notes: Balancer to crank: 3/4-16 x 1 1/2: 160 ft/lbs: Grade 8 (Large Washer) Balancer pulley: 5/16-18 x 3/4: 20 ft/lbs: Grade 5: Choke Tube to manifold: 5/16-18 x 5/8: 15 ft/lbs: Grade 5: Distributor hold down: 3/8-16 X 1 1/2: 17 ft/lbs: Grade 5: EGR Valve to intake: 5/16-18 x 7/8: Grade 5 Flanged: EGR Valve to intake: 3/8-16 x 7/. Trestle Systems 2470 Island Dr, Suite 308 Spring Park, MN 55384. : Cylinder head torque sequence, 260, 307, 350 403 Oldsmobile built engines On the V8, tighten the bolts, in the sequence illustrated, to 100 ft. 0 liters) engine block for the 1986 Oldsmobile is a 90 degree V8 engine. The 307 featured an iron block and heads and a bore and stroke of 3. Asked by kamcityroller May 20, 2015 at 01:31 PM about the 1987 Oldsmobile Cutlass Supreme. Though the engine was still a bit short on displacement and power compared to its forebears, with just 180-net hp from its 307 cubic inches, it was right on par with its contemporaries and other specifications revealed that the muscle car formula had advanced a bit mechanically over the years. 4 cui, advertised power: 82 kW / 110 hp / 112 PS ( SAE net ), torque: 258 Nm / 190 lb-ft, more data: 1985 Oldsmobile Cutlass Supreme Coupe 3. Sedan versions offered for the year 1983 with complete specs, performance and technical data in the catalogue of cars Search automobile-catalog: About the author Pawel Zal Home Specifications Simulation Comparison Articles New Additions Simulation. gasoline (petrol) engine with displacement: 3791 cm3 / 231. Factory Performance Specs: VIN 9 '83-'85 180 hp@4000 rpm 245 ft-lbs@3200 rpm VIN 9 '86-'90 170 hp @ 4000 rpm 250 ft-lbs @ 2600 rpm. Buick 307 ci Y 8 cyl Year 1980-1994 Liter 5. The 307 has a 283 bore size (3. According to the ProfessCars™ estimation this Oldsmobile would accelerate 0-60 mph in 13 sec, 0-100 km/h in 13. Question about Oldsmobile 88 1 Answer Like to know torque settings for 1984 olds 307. Unless you have an H/O or 442, you have this engine. Engine Torque Specs larger image Engine Torque Specs DISCLAIMER: This page is not intended to replace the information contained in a factory level service manual and is intended solely as a "Quick" reference. From 1983 through 1985 the VIN 9 engine was a hydraulic flat tappet cam engine with larger port 5A heads use on both '83 and '84 Hurst Olds and '85 442. 1983 Oldsmobile Delta 88 8gen Sedan full range specs All Oldsmobile Delta 88 8th-gen. Automotive Torque Specifications Home Oldsmobile Oldsmobile Full Size 1970-88 Oldsmobile Full Size 1970-88 Delta 88, Royale and Brougham, Custom Cruiser, Ninety-eight Luxury, Regency and Brougham Engine Fig. Cylinder Head Studs (1/2in. Summit Racing™ Muscle Car Replacement Cam and Lifter Kits SUM-K4220. Cylinder Head Bolts (1/2in. Oldsmobile enthusiast know the difficulty of finding quality information about their engines. valve cover torque 70 in. do it in two steps and lube threads on bolts. First off, it depends on what version of the 307 you have. : Cylinder head torque sequence, 260, 307, 350 403 Oldsmobile built engines On the V8, tighten the bolts, in the sequence illustrated, to 100 ft. Ive got an 87 Cutlass supreme with a 307 its a brand. What are the torque specs for the intake manifold fuel injection and valve adjustment on a 1996 Oldsmobile Cutlass Ciera 3. In 1986 and 1987 Oldsmobile perfected the design of the 307 with a roller cam and lifters and incorporating a swirl port design 7A head with smaller ports. 384 inches: Displacement: 316 actual cubic inches: Compression ratio: 10. I went to the Olds 403, with switch pitch the sedan does 7. The BoxWrench Engine Specs Database is a community resource for mechanics of all Generation Two Oldsmobile V8. Plain: Min: Max: Min – Max: Min Max: 1⁄2: 13: 12000: 14000: 50 – 58: 100 – 117: 5⁄8: 11: 19000: 23000: 99 – 120: 198 – 240: 3⁄4: 10:. The 307 shares the same stroke as all the other Olds small-blocks (3. Oldsmobile Small-Block Engines. OLDSMOBILE Engine Torque Values Torque Specs are for clean and lightly oiled threads in Ft. Cylinder Head Studs (1/2in. 2 Intake Manifold torque sequence Fig. the measurement of torque. Torque specs for 307 olds 86-87 are as follows: cylinder heads-- 125 ft lbs intake manifold-- 40 ft lbs exhaust manifolds-- 25 ft lbs carb bolts-- 12 ft lbs I threw the others in because you may need them. 1,702 Answers Head bolt torque 125 ft Lbs. 0 liters) engine block for the 1986 Oldsmobile is a 90 degree V8 engine. ROBINSON ANALYTICAL 307CI OLDS: Bore: 3. Oldsmobile Generation Two - Engine Specs | Torque Specs - Cylinder Numbering - Firing Order - Distributor Rotation - Olds Gen 2 260 307 330 350 400 403 425 455 Cid Generation Two Oldsmobile V8 260, 307, 330, 350, 400, 403, 425, 455 Cid Firing Order Torque Specs These specs may not be correct for your application. I just checked my service manual for a 1985 Cutlass with a 307 and the torque specs for the oil pump and exhaust manifold are the same as the ones in the link. In sequence, torque all bolts to 30 ft. The short-stroke 400's 4. Torque specs for 307 olds 86-87 are as follows: cylinder heads-- 125 ft lbs intake manifold-- 40 ft lbs exhaust manifolds-- 25 ft lbs carb bolts-- 12 ft lbs I threw the others in because you may need them. From 1983 through 1985 the VIN 9 engine was a hydraulic flat tappet cam engine with larger port 5A heads use on both '83 and '84 Hurst Olds and '85 442. Incidently 307 manifolds are infamous for leaking from corners of manifold-usually in the front. The 307 was also the last carbureted V8 that General Motors manufactured. 455 Oldsmobile Crate Engine 475 HP With Aluminum Heads. Cylinder Head Bolts (1/2in. Engine Torque Specs. The engine has a bore diameter of 3. Torque specs for 307 olds 86-87 are as follows: cylinder heads-- 125 ft lbs. See full list on oldsjunction. Main Bearing Cap Bolts Caps #1-4 75 ft. Torque specs for 307 olds 86-87 are as follows: cylinder heads-- 125 ft lbs. They did have some camshaft problems due to soft materials used during manufacture, but of course replacing the cam and lifters cures that.