307 oldsmobile engine hp. ” BARE Oldsmobile used core cylinder heads, each.

307 oldsmobile engine hp 0 Liter Here is an example of some common normally aspirated chevy engines we build with some impressive horsepower at Eddies: a Oldsmobile 350 Engine Rocket 350 - Up To 450 hp a Oldsmobile 400 Engine - Up To 500 hp a Oldsmobile 400 Engine 4-4-2 Rocket - Up To 550 hp a Oldsmobile 425 Engine Super Rocket - Up To 605 hp a Oldsmobile 455 Engine - Up To 625 hp Quadrajet Carburetor for 1981-1990 Buick Chevrolet Oldsmobile 307 Engine (For: Oldsmobile) Opens in a new window or tab. Oldsmobile used the popular LV2, a 307-cubic-inch (5. 73 posi. 0L/307 Carburetors V8 Engine Type and get Free Shipping on Orders Over $109 at Summit Racing! Jun 3, 2003 · Doesn't share anything with a Chevrolet engine. I can't express it more clearly. Only available on the '83-'84 Hurst/Olds and '85-'87 442. 500 sj scat 6" rods 330 heads 54cc 1. 6L 403ci V8 is a beast of an engine, offering incredible torque and horsepower. 1987 307 7A Heads Page 1 of 2 [ 22 posts ] Go to page 1, 2 Next: Previous topic | Next topic: Author Message; 442WMachines: Post subject: 1987 307 7A Heads. i was working for oldsmobile at that time and you should have heard the customer's complain. Heavy-Duty Design: Built to handle high compression ratios and aggressive cam profiles. Buick with 3800 engine and 205 hp under the hood and this car, even for being in "grandma's car" category is fast with good pickup. Was: $259. This is why low torque engines need to rev and high torque engines don't like to rev so much. I like the idea of the Qjet flange Sniper with the fuel line positioning and air cleaner positioner for a factory style air cleaner but the extra $200 and 85 less cfm/150 hp, means it is probably a no go, just the regular 800 cfm, 650 hp in gold. com is a site built and operated by an Oldsmobile fan, for Oldsmobile fans. The V-8 maintained a consistent peak with the likes of the 442s in the '60s right through the '70s and '80s with classics like the Cutlass, Delta 88 and Toronado before production ended in the '90s. From 1983-1985, this engine was flat-tappet valvetrain, and rated at 180 hp/240 ft·lbf torque. Jan 3, 2012 · I had a 350 in my '42 Chevy. Inside the glose box, the sticker specifically states to use high octane fuel. 1 cui, 104. If the Olds 307 was better than the 305, I would have had no issue with a Caprice having that engine. 5 inch and the guts will interchange, I bought all new bearings, crush sleeve, GM limited slip additive the works, the new ratio was 3. 403 will bolt right in and accept all the 307 bolt ons. ) Code 'Y' V8 Casting # available 2a, 3a, #5a, #7a, #7A, #10, #8 each. Why did GM make the 305? The 307 engine is most likely the most famous car engine in the world. 0 L) engine, commonly known by the VIN code "Y", from 1980-1990. I am hoping I can get some help identifying exactly what motor this is, any and all details possible. It won’t make as much as a 350 engine just because of its smaller displacement, but you can still build a decent street engine out of this 307 Apr 14, 2008 · Hello, I have a 1986 Buick Regal Limited with a 307 Olds/200-4R with 85,000 miles and considering installing dual exhaust. The last thing you want to do is lower compression with larger chambers. Dec 9, 2009 · Basically an engine can mainly make higher HP though either a lot of torque or high RPM, but generally not both. Jan 14, 2002 · It already had a 307 Olds out of an '83 cutlass, but I wondering if this engine is worthwhile to rebuild. The Olds engine is based on the Oldsmobile V8 block, while the Chevy 307 is based on a small-block Chevy. Y-version applications: See full list on oldsjunction. 0L/307 Oldsmobile V8 Engines & Components and get Free Shipping on Orders Over $109 at Summit Racing! Lift . Fun to drive and it was one of the lowest horsepower Olds 350's. Jun 25, 2009 · I need a carb for my engine. The engine building team of Robinson Analytical took to the dyno stage for the first time in Engine Masters competition yesterday. 307 vs other GM Engines When looking at HP ratings, you should always look at the torque as well. 0 V8 in 1980 the model with 4-door sedan body and V-8 5033 cm3 / 307. Rebuilt 4A Cylinder Heads with Heat Riser Passage Blocked Off (30 HP Gain with this mod). It’s makes double the hp your 307 makes, much more torque, and it’s a direct bolt in and even has the same extreme IPR dimensions. The engine is very far from stock now, with adjustable roller valvetrain and other go-fast goodies. 442), 600 Holley, 2200 stall converter, shift kit, headers and stock dual exhaust with the single muffler behind the axle, and a 3. Oldsmobile Rocket 350: Oldsmobile 455 Cutlass W-30 Crate Engine with 370 horsepower and 450 ft-lbs of torque. Sep 27, 2006 · What cheep combination for an 83 olds 307 will get me around 350 to 400 horsepower with stock heads and crank? I want to add some power to my Regency 4 door and a hopped up boat will be pretty cool. 0L/307 Crate Engines and get Free Shipping on Orders Over $109 at Summit Racing! Long Block, 350 C. It was used by every domestic GM automobile marque. He has a '74 Omega with a 350 Rocket. For less than what it would realistically cost to upgrade a 307 for power, you could pick up a used, good running Olds engine, clean it up, re-gasket, paint and install it. (However, the diesel engine uses a different block casting and internals that are beefier to withstand the added compression and stresses of diesel operation. Jun 22, 2008 · It was offered in the Hurst/Olds version of the Oldsmobile Cutlass Calais and in the 442 version of the Oldsmobile Cutlass Salon. com. Mar 14, 2010 · Robinson Analytical - their 307 Oldsmobile (316 ci) Started with a stock late-model block, an OEM Olds forged crank, Eagle rods, Ross pistons, and a COMP cams cam (. Aug 11, 2005 · 307 in the 70's olds was putting chevy engines in there olds. That's cool for 1974. 8 in (97 mm) bore (in common with the Buick 231 V6 and 350 V8) with a 3. 0 L) in the 1983 Oldsmobile 98 was a mere 140 hp (100 kW), although in that year a high-output model (VIN "9") was available producing a nominal 180 hp (130 kW), at approximately 245 lb·ft (332 N Jun 12, 2002 · I have a 86 cutlass supreme that had a 307, I installed a 350 chevy in it because I`m a chevy man. 67:1. The stock heads on the 307 are prolly some of the worse GM ever put on an engine. Now, to thoroughly confuse you, Olds made two different version of each of these engines. Dec 10, 2003 · The 350 olds is a long-living torque beast and is an EXCELLENT motor. Oldsmobilecentral. classicoldsmobile. I took mine out and plugged the holes w I think 1/4 inch pipe plugs. If its Oldsmobile powered, we want to know about it, and make it go faster! OldsPower. It may seem like a paltry output today, but after the dark days of the late ‘70s and earliest ‘80s, this gave the muscle car faithful hope. Here’s a general guide on how to approach this: Engine Internals Upgrades: Cylinder Heads: Upgrade to aftermarket aluminum heads for better flow and performance Find OLDSMOBILE 5. 99 5% off. 307 V8 Engine Option: LV2; 5. All LV2s feature a 4-barrel carburetor. They told me its olds 307 with the casting number 4790GM 5. 6L 403ci V8. = 434. New Mains/Rods and Cam Bearings. 56 gears hopin for 12 sec et's i know just build 350 i'd like to make 375/400 hp The output of the 307 cu in (5. Bare means there are no parts in them, and you cannot install them on a car. I know nothing about olds motors, and very little about classic carb'd motors to begin with. Known for its reliability and smoothness, Oldsmobile’s 307 V8 engine is an engine you can depend on. The vehicle is old and new mechanics don't know what to look for and old mechanics won't care. I currently drive 6 cyl. 56 gears hopin for 12 sec et's i know just build 350 i'd like to make 375/400 hp Jul 9, 2020 · rocketracer380 wrote: ↑ Thu Jul 09, 2020 2:26 am 307 . 385 in (86. Sep 18, 2020 · From 1980 until 1990, Oldsmobile made a 307-cubic-inch, eight-cylinder engine that was capable of producing between 140 and 180 horsepower. My brother is a big Olds guy. With the money you throw into making a The BoxWrench Engine Specs Database is a community resource for mechanics of all skill levels to Generation Two Oldsmobile V8. All that made for about 200 horsepower,when driving it,it felt no different from a stock 307. You must specify which casting number Chrome Valve Covers For 455 Oldsmobile Engines 455 HP Emblems Olds. It was a go until my stepson wrecked the Regal. “ This is a used bare small block Oldsmobile head, ready for machining. Applications: 1977 Buick Century Estate; 1977–1979 Buick Riviera; 1977–1979 Buick Electra; 1977–1979 Buick Estate Wagon; 1977–1979 Buick LeSabre; 1977 Oldsmobile Cutlass Feb 5, 2014 · 85 Olds 442; 440 Olds ( bored/stroked Olds diesel 350 block ). was goint to swap out my 307 olds engine for a chevy 350 but olds 403 is easier but never driven one or had any experience building an olds engine . 0L) engine teardown from a 1986 Cutlass Supreme. Jan 7, 2009 · Yeah, but I would need to keep the car stock (307) due to lack of funds for engine transplant. He had the engine rebuilt,bored . 592-inch lift, 235/239-at-. I referred to it a lot when I wanted to put a 310 hp 350 Oldsmobile Rocket engine (sold but I know where it's sitting) I had from a 69 Cutlass and 200-4R (which I still have) combo into an 83 Regal I had. If you allowed a carb equipped engine to run as long as the modern fuel injected engine does without maintenance it probably wouldn't even start. Oct 21, 2020 · Hello all! New guy here. Good luck. 0L OHV 2v V8; Iron Engine Block; Iron Cylinder Heads; Bore 3. Its worthless,so please dont waste you're money. While their 307 Oldsmobile (316 ci) won’t come close to winning, there’s a lot of merit to their entry, and that’s why it was Dec 21, 2020 · There used to be an Oldsmobile site that dealt a lot with different Oldsmobile engines. 875). The Olds 307 has a 3. During the remanufacturing process, our expert team thoroughly cleans, retools, and tests each engine to make sure it meets or exceeds […] Aug 21, 2007 · From its original displacement, the Olds small-block went on to be produced in 260-, 307-, 350-, and 403-inch versions, while the original tall-deck Olds big-block line was augmented with the . That is about 1300-1500 at 60 mph. 0-liter) small block V8 engine. ported 5A heads, an Edelbrock Performer intake, and Edelbrock 800-cfm Thunder AVS carb. I ended up with a Performer intake and cam (204/214 420/. Rebuilt Turnkey 403. while Joe is undoubtedly the biggest supporter of Oldsmobile pro. - Brent '88 S10 Tahoe 4. The 307 went into nearly all '80's Oldmobiles, including the Delta 88s, Cutlass/442, 98s and Toronados. 456/. Jun 10, 2005 · VIN 9. The engine was used in lower performance oriented family type cars and was equipped with a 2 barrel carburetor. 8 hp@5,900rpm. It has a single pipe currently with a glass pack, and the catalytic converter was removed temporarily because it was clogged (the engine lost power/starting making a valve or lifter type noise). Dec 12, 2024 · Olds Cylinder Head 6. For example, the stock (non-high-output, VIN "Y") 307 cu in (5. Cruiser, Base Engine, 341 HP, 371 TQ, New My Chilton book shows VIN ( Y and 9 engine codes ) - 8th " character " of VIN The 307 - 4 barrel carb - V8 engine is rated at 148 net horsepower at 3800 RPM and 250 ft/lbs of torque at 2400 RPM Oct 14, 2011 · You can build a standard 307 into a VIN Y with any assortment of Oldsmobile engine parts. 535L19 Rods,Cam Motion Custom Roller 4/7 swap cam,AFR CNC335 heads all Manley parts,Ported Super Victor, Holley Ultra 1250,MSD 7AL-3,HVC coil,billet dist,timing computer. 633-/. $246. Jan 1, 2025 · In fact, the Hurst/Olds got a special high-output version of the 307 that was rated for 180 hp, a significant improvement over the standard 140-hp rating of the 307 found in other Olds models. 7 liters). Brand New. Dec 26, 2014 · 1983 Monte with a 565 BBC,Merlin Race Block,Callies Crank,Eagle 6. I am helping my neighbor with his Oldsmobile 307 engine, to drop into his 1986 Cutlass. The first V-8s in this new-style Oldsmobile engine line started as the 330-ci models for the small-block family and the 400- and 425-ci models for the big-block family. 307: Non Roller: 1980-1984 Horsepower and Torque Jan 29, 2010 · The easiest (and probably least expensive) is to replace your 307 with either a 403 or 455. Olds cammed the 307 to work with ultra high gearing. 25:1 Compression. Cleaned up C heads, 9. just looking for a cost effective 350 hp or so. 0 Liter) engine. Amazon, the Amazon logo, AmazonSupply, and the LV2 - This was the first version of the Oldsmobile 307 cubic inch (5. The 6. The engine was only produced through 1979. ” BARE Oldsmobile used core cylinder heads, each. Should I just start with a 350 or 455 Olds? Is the 307 worth the time and money for the output I can achieve? Where can I find performance parts for this engine? If that’s the case, I’ve got a rebuilt Oldsmobile 403 engine sitting on a stand in my garage that’s dying for a home. cutlass was selling so well they didn't have enough olds engines. Although this engine was manufactured by the Oldsmobile division of General Motors, it was still used in most of the other divisions of GM models as well. 0 V8 in 1983 the model with 2-door hardtop coupe body and V-8 5033 cm3 / 307. The previous owner of my cutlass spent a sh*t load of money on that little 307. May 13, 2020 · FWIW, many 1987 Chevrolet Caprice sedans,seemingly mostly Canadian market cars, had 307 Oldsmobile engines. I. to get away with this they called a corprate engine. 1 cui, 112 kW / 152 PS / 150 hp (SAE net) of power, 332 Nm / 245 lb-ft of torque, 3-speed automatic powertrain offered since October 1979 for North America . If you bore a 307 . 0 L) was not particularly high in terms of horsepower. I had them tell me they thought Olds engines were slow. 039 Oversize. Can anybody tell me what year it is and what type of carbs could be used for this engine. It uses a 3. From 2. . They were wrong. 61:1 Induction: 1-4 Bbl Engine Type: V8 Find CHEVROLET 5. His patented methods Oldsmobile performance and reliability have enabled the lowly 307 to proD duce as much as 75 extra horsepower while still attached to the computer— and r_wer 307 horsepoaer off of it. Specifications General Specifications. 0 mm) stroke. 0-liter (307 cui. 040 offset ground crank 3. Feb 7, 2004 · Oldsmobile never made a 165HP 307, the numbers are as follows. Oct 14, 2024 · Find OLDSMOBILE CUTLASS SUPREME 5. After that, a Chevrolet-built 305 cid V8 was available, but only in Custom Cruiser station wagons. Jan 28, 2009 · Canadians Dale and Glen Robinson build a 434hp Olds 307 without spending a fortune. May 21, 2009 · Now, for POTENTIAL performance, when you take a close look at the 307 vs 305, the 307 is the winner, hands down. Apr 26, 1999 · Years ago I had a low mile original `72 307 Nova, TH350, 2. It is a very popular engine, which first appeared in the Chevy Corvette in Chrome Valve Covers For 455 Oldsmobile Engines 455 HP Emblems Olds. I've heard rumors that a few Caddilacs had these too. 78 Cutlass Calais; 260 with factory 5 speed manual. 41 with OD. Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Oldsmobile Ninety-Eight Regency Sedan 5. Build Max Performance Oldsmobile 455 425 403 400 350 330 307 260 Engine V8 Olds (For: Oldsmobile) 307 vs other GM Engines When looking at HP ratings, you should always look at the torque as well. Roller lifters, floating piston wrist pins, and swirl port intake runners were added in 19 The BoxWrench Engine Specs Database is a community resource for mechanics of all skill levels to Generation Two Oldsmobile V8. 0LG but the firing order is 18436572 and I know these numbers are also on chevy engines. Sep 14, 2023 · From 1982 - 1990 all of them came with 4bbl carbs rated at best a pitiful 140 hp and 255 lbs of torque - These engines are externally identical to an Olds 350 and are easily and commonly swapped Sep 4, 2020 · Combine these parts with a good 600 to 750 cfm Holley carburetor, an HEI distributor, and a set of long-tube headers and your 307 should make around 325 to 350 horsepower, perhaps even a bit more. The 307 can easily achieve the magical threshold of 1 hp per cubic inch, with the following: So, that gets you to 300+ hp. This is a remanufactured version suited for a variety of Oldsmobile vehicles manufactured between 1985 and 1990. 562 ex cam is solid 523" 530" 239 242 @50 106 lsa a holley street dominator and 650 carb ign is hei its goin in an 87 cutlass with a th 350 and 3500 10" appr 3400# 4. 385"; Compression Ratio 8. ) Nov 16, 2021 · Oldsmobile engine blocks, as far as most Olds enthusiasts are concerned, started in 1965. 330 were made 1964-67 and were respectable little engines, capable of impressive output. 050). The Olds-built 307 would disappear after 1990. The Oldsmobile 307 cubic inch (5. Output for 1983-1985 was 180 hp (134 kW) and 245 ft·lbf (318 N·m). Oct 17, 2009 · The 307 replaced the 283 (but are the same engine block with a longer stroke) in Chevrolet cars and produced 200 hp (149 kW) SAE gross at 4600 rpm and 300 lb·ft (407 N·m) of torque at 2400 rpm in the 1960s. The Hurst/Olds version put out 170 net horsepower. :thumbup: Jul 9, 2020 · rocketracer380 wrote: ↑ Thu Jul 09, 2020 2:26 am 307 . of torque. Output was 185 hp (138 kW) and 320 lb·ft (430 N·m). 8" bore and a 3. Ideal For: Muscle car builds and drag racing setups in Oldsmobile and Monte Carlo vehicles. Mar 20, 2007 · The '87 307 engine was rated at about 140 hp and 255 lbs. 260, 307, 330, 350, 400, 403, 425 307 build; 307 build Engine Builds & Combos. In this video, we'll be talking about an engine that used to be everywhere, and now it's almost gone. The torque and HP curves always cross each other at 5,252 RPM, really is a magic number for engines. 25" stroke (same as a 327). 74:1 first gear ratio, and overdrive is 0. I want a good cruising engine with some power (275 - 300 hp). Here is an example of some common normally aspirated chevy engines we build with some impressive horsepower at Eddies: a Oldsmobile 350 Engine Rocket 350 - Up To 450 hp a Oldsmobile 400 Engine - Up To 500 hp a Oldsmobile 400 Engine 4-4-2 Rocket - Up To 550 hp a Oldsmobile 425 Engine Super Rocket - Up To 605 hp a Oldsmobile 455 Engine - Up To 625 hp Oldsmobile Engines We install engines and transmissions and have been doing it for over 70 years. Nov 24, 2003 · The "small block" modern Olds V8 engines include the 260, 307, 350 and 403 engines, and technically the 350 diesel motors as well. Mar 25, 2023 · The reason that I am bringing up Mondello is that I visited their facility, spoke with their Engine Builder face to face, and he was highly confident that the 307 could be built with "low-to-mid 200's" horsepower with all of my OEM constraints (Olds Air Cleaner, Air Pump, Exhaust Manifolds, Catalytic Converter, etc. The 307 "Y" produced 148 hp (110 kW) and 250 lb⋅ft (340 N⋅m) in 1980-1984 models and 140 hp (100 kW) and 250 lb⋅ft (340 N⋅m) in 1985-1990s. Known variously as the Rockette, Cutlass, and Turbo-Rocket by Oldsmobile (and as Fireball and Skylark by Buick), [10] it was a compact, lightweight engine measuring 28 in (71 cm) long, 26 in (66 cm) wide, and 27 in (69 cm) high, with a dry weight of 5 days ago · In this video we teardown our 307 Oldsmobile to see what condition it’s in and we also find out some interesting information along the way!Remember to LIKE a Sep 20, 2011 · Any opinions on olds 403?? anybody know much about them . Feb 10, 2025 · New Keith Black Hypereutectic Pistons, 9. May 1, 2008 · The stock compression on your 86 307 is 7. Oldsmobile 307 V8 (5. Apr 28, 2005 · They are completely unrelated, other than that the share displacement. May 20, 2015 · These were the only models to get the hotter VIN 9 307 cubic inch engine, and it was the only engine available. Its odd-shaped 16-bolt pan has 13mm bolt heads. This is a 394-cid “Skyrocket” V8 in a 1962 Oldsmobile 98 convertible. The 1980-85 307s have no potential because they are regular hydraulic lifter motors and are not worth a decent build up. In the next couple of years (when I get out of school), I going to redo the top end of my engine; gonna get heads from a 350 and the Olds V8 Engines: How to Build Max Performance. 44 CR, Edelbrock RPM intake, Crane roller 222/230 dur . 5 kW / 142 PS / 140 hp (SAE net) of power, 325 Nm / 240 lb-ft of torque, 4-speed automatic powertrain offered since September 1982 for North America . 5. 0L/307 Carburetors & Accessories and get Free Shipping on Orders Over $109 at Summit Racing! More Power in Every Purchase - Join the Summit Rewards Program Today! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Apr 18, 2008 · Please provide some supporting proof that a carb is more reliable than fuel injection. Oldsmobile, has a cure for for the 307 blues. In 1986, the 307 engine received a roller-camshaft valvetrain and new swirl-port heads to improve economy and low-end torque. Apr 20, 2010 · Olds 307 engine swap? Jump to Latest It was rated at 140 hp, even the 442's of that same era only made 180hp. This is important. Engines: Oldsmobile V8s: 307. Mar 25, 2023 · Regarding the Oldsmobile 307 and horsepower, earlier this year I visited with the good folks at Mondello Performance in California. Like others have said, it's reliable enough but not particularly powerful (about 140 hp). The engine-block designs remained virtually unchanged right up to the last Olds engine […] Jan 28, 2014 · What vehicle will it be going in & what kind of use will it see?Realistically,you can squeeze about 300 HP into it & still have a realiable daily driver,which is not much more than a stock 350 w/ 4 bbl. Specifications The Oldsmobile 307 cubic inch (5. These guys got 434 HP out of a 307. Just for kicks I added some stuff, mostly stuff I had laying around. With that said, you can check out Popular Hot Rodding mag, issues Feb 09 and Nov 09. 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. The 307 went into nearly all ’80’s Oldmobiles, including the Delta 88s, Cutlass/442, 98s and Toronados. No one cared, other than a few enthusiasts like me, who knew the 307 was sub-par compared to the LG4 305 in performance. The 307 was built from 1980 through 1990, produced from 140hp to 180hp, and was installed in just about every car Oldsmobile built in that period, at one time or another, to include the Cutlass (1982-1988), Delta 88 (1980-1985), Regency 98 (1980-1984), Toronado (1980-1985), and Custom Cruiser (1980-1990). Revisions to the engine for 1986 included roller lifters with a slightly smaller camshaft, new heads with smaller, swirl-port intake runners Feb 3, 2023 · We remove the worn-out 307 Oldsmobile engine from a 1986 Cutlass Supreme to make room for an upcoming 350 small block Chevy swap! We suspect the 350 Chevrole Jun 8, 2022 · The engine was a single-barrel, displacement, V8 with 3 valves per cylinder. 385" stroke, while the Chevy engine had a 3. 5L) V8 engine for the F-85 compact. Now. 40 over,ported the heads,installed new internals and added a DUI distributor. This GM 307 engine was rated anywhere from 140-180 hp. I am an LS guy. Engine Blueprint Specifications: 1986 Oldsmobile 140 HP 307 V8 Engine Family: General Motors, Olds V8 Small Block Advertised Comp Ratio: 9. Nothing wrong with the 307 as a driver but if you want power your best bet is an engine swap and tranny build. 73 gear. 060 over and drop in a 350 crank, you get about 338 cubic inches. 99. ). com Nov 1, 2009 · With over 435 hp and 430 lb-ft of torque from a tiny mid-'80s smog engine, the guys from up north proved that their analytical skills and attention to detail put them square in the middle From 1980 until 1990, Oldsmobile made a 307-cubic-inch, eight-cylinder engine that was capable of producing between 140 and 180 horsepower. The Chevy 307 V8 engine came along in 1968 to replace the Chevy 283 V8. Mar 26, 2016 · The 307 was an Olds engine, although it did find its way into Caprices (and Buicks, Pontiacs, and Cadillacs - Cadillacs with Olds and Chevrolet engines were a big controversy in the 1980s). 14 without OD, to 2. 800"; Stroke 3. IDK what kinda budget you have to work with,but,the 416/305 HO heads,or,the L30/305 Vortec heads would be a good Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Oldsmobile Toronado Brougham 5. 200 HP should be easily obtainable with a roller "Y" 7 A head motor with some of todays mods. This Chevy 307 engine came out in 1964 and it had a displacement of 305 cubic inches (5. Look at it this way, your goal is to get power, why burn up all this time ripping out a 260, prepping the 307, renting a hoist, buying all the new parts it takes to put it in just to have nowhere to go with the 307? Even a 305 chevy is a better performance motor than a 307 olds. Dec 22, 2018 · Of course that means replacing any chunks of hose in the system but not adding a return line. 1980 - 1984 Oldsmobile Buick Cadillac GM Pontiac Chevrolet 307 C. Jun 15, 2017 · By 1986, a 307-cid engine was the only V8 that Oldsmobile offered. 0 L) version was introduced in 1980. The TH-200-4R was used in GM rear-wheel-drive cars equipped with the 231 Buick, 301 Pontiac, and the Oldsmobile 307, 350 gas and 350 diesel engines from 1981-'90; however, many Chevrolet 267 and 305 V-8s also used the TH-200-4R because of the multi-fit bellhousing. 260, 307, 330, 350, 400, 403, 425 May 20, 2015 · These were the only models to get the hotter VIN 9 307 cubic inch engine, and it was the only engine available. but what I did before I installed the new engine, was swap in a positraction differential and gears from a 83 trans am, both rear ends are 7. They were enlarged to 350 cid in 1968 to follow the General's trend- Chevy had a new 350, and the others had 330 (Olds), 340 (Buick), and 326 (Pontiac) engines, and no way were they going to allow lowly Chevrolet to have a bigger small-displacement engine. Build Max Performance Oldsmobile 455 425 403 400 350 330 307 260 Engine V8 Olds (For: Oldsmobile) Apr 12, 2009 · Olds made 180 HP from the 307 with but a different cam, slightly richer secondaries, dual snorkle air cleaner and stiffer valve springs and of course the dual exhaust system. 23, the stock one was Jan 28, 2009 · 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. 0:1; Firing Order 1-8-4-3-6-5-7-2; Smog/Emissions Delete; Horsepower 165 @ 3650 rpm; Torque 250 lbs/ft @ 1600 rpm (typical); Professional Installation Recommended From 1961-1963, Oldsmobile manufactured its own version of the Buick-designed, all-aluminum 215 cubic inch (3. :cool: Any help would be greatly appreciated. this was also done to pontiac Oldsmobile TA 403: Oldsmobile 307 Hurst / Olds Crate Engine with 270 horsepower and 320 ft-lbs of torque. com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon. Introduced in 1949, the Oldsmobile V-8 engine remains a beloved reminder of the muscle car era. 875 intake 1. Find OLDSMOBILE 5. By "decent acceleration" I did not mean fast but just decent. Olds 307's were nice engines. Part Dec 25, 2009 · Its not worth it,trust me. The 305 has a VERY small bore (like the original 55-56 265s), whereas the 307 has the same bore as a 283 (3. Chevy engines have cylinder heads that do not flow well at low lift/low rpm levels. Get some 5A heads (literally almost double the port size) and shave them down a bit to get closer to 9:1. 875" bore (same as a 283) and a 3. 456, Oldsmobile, V8, Kit. It was a stock 1974 engine with a Performer intake and carb. Jun 27, 2011 · The Olds 403 was used by Buick and Pontiac in addition to Oldsmobile. Up through Mid-85, 307's had normal 5A cylinder heads and normal hydraulic flat-tappet Jun 11, 2010 · from wikipedia: SBO 307 A slightly larger 307-cubic-inch (5. 563 lift cam, 1 3/4" American Racing headers, 2 1/2" Pypes X-pipe exhaust, Qjet. Bone stock. About 180hp and 245ft-lbs (again, stats vary). Oldsmobile used the same block for the 403, 350, and 307, so the heads, carburettor, and intakes are all interchangeable. 542/. May 23, 2022 · QUESTION: How to make a high horse power Oldsmobile 307 V8 ChatGPT ANSWER: Building a high horsepower Oldsmobile 307 V8 engine involves several key steps and considerations. You will get a lot of boy scouts preaching on leaving it original but emissions back then was just too add a bunch of crap to an engine instead of redesigning the engine. After 1973 the 307 was chopped from the GM line engine lineup. 8:1 with a stock HP rating of 140. Having driven both (in an '84 Cutlass and an '87 Regal), I can say that the '84 engine seemed to have a LITTLE more juice in the "upper" RPM range (if you can call 4500+ "upper"), but the '87 was way more torquey, and was much smoother. The biggest advantage of fuel injection is driveability and fuel mileage. I had friends ride in it and they all were surprised by the power it had. 3 '11 Mustang GT, Kona Blue Aug 14, 2010 · Don't waste your money on a 307 if you want performance. This engine has been slowly destroying itself for some time! The 350 should be back ve Oct 4, 2018 · Oldspower is the Original Oldsmobile Performance Site. Jan 14, 2019 · The TH-200-4R has a 2. they bought an olds with a chevy engine. zhmyv tpjh icdm ywqre cqmmxs ybveh dstppanp ezkj gffwg uhznjv qjvtmk gen zgkrpy zvuhl ulmi