Cosworth Vega 122 cu in DOHC L4-110 hpIn the USA, the name has also appeared in the title of a road car (well before it did in Europe) as the Cosworth version of the Chevrolet Vega. Chevy Vega L4 285 Chevy II 153 L4 350 Chevy II 153 L4 283 (245) Chevy Corvair flat 6 300 (244) ... Cosworth AC V8 ('93) 286 (23,64) 75 degree bank angle Cosworth HB 75 deg V8 309 (52,63) 23.4L x 23.3W x 20.5H Cosworth HB Series 6 286 (70) 75 deg V8 595mmL Cosworth DFV V8 313 (23) 90 degree bank angle Cosworth DFR V8 308 (63) 90 degree bank angle Cosworth DFX V8 340 (29) Cosworth â¦ Clean and Original: 1975 Cosworth Vega. The Cosworth Vega Twin-Cam engine is a 122 cu in (1,999 cc) inline-four with die-cast aluminum alloy cylinder block and Type 356 aluminum alloy, 16-valve cylinder head with double overhead camshafts (DOHC) held in a removable cam-carrier that doubles as a guide for the valve lifters. Indexed camshaft drive sprockets. This car is a great fun to drive, and rivals the feel of driving a British sports car of the same era. From United States +C $15.90 shipping. The exhaust system had a single tailpipe instead of 1975âs dual outlets. Each camshaft has five bearings and is turned by individual cam gears on the front end. Not only will you have to modify the engine mounts, but all other components will … The Cosworth lasted over 500 hours. Top Rated Seller Top Rated Seller. This 1976 Cosworth Vega is #2541 out of approximately 3500 cars made between 1975 and 1976. The Vega also doesn’t wear its original wheels, so that’s another issue to deal with. The 120 b.h.p. By Brian Silvestro The engine needed more dynamometer time, new cam profiles to trade some high-end power for more low-end torque, and a tubular header to replace the cast iron exhaust manifold. Chevrolet required all engines to survive 200 hours at full load. Still in 1975 Cosworth Vega # 0736. To create the Cosworth variant, the standard 140 cubic-inch Vega engine was actually de-stroked to 122 cubic-inches. At least that great little 1,994cc Chevrolet/Cosworth engine is still present, and, miracle of miracles, it does look to be complete. I bet if the emission equipment was removed and the engined tuned for stronger performance rather than the smog emissions of the day, I'm sure there would be a few horses to bet had. lower restriction exhaust system w/cat deleted. In 1965, the Fédération Internationale de l'Automobile, that administered Formula One racing, agreed to raise the series' maximum engine capacity from 1.5 litres (92 cu in) to 3.0 litres (183 cu in) from 1966. In February, eight 1976 Vega exterior colors were added: Antique White, Dark Blue Metallic, Firethorn Metallic, Mahogany Metallic, Dark Green Metallic, Buckskin, Medium Saddle Metallic, and Medium Orange; plus two additional interior colors, Firethorn and Buckskin. Buy It Now. For certification, five monthsâ durability miles would have to be reaccumulated. In November 1975, it had been decided to discontinue the car after the 1976 model year. Project coordinator William Large built two cars for durability testing. 'Torque arm' rear suspension is like that of the Monza 2+2, and the axle, from the Monza 2+2, gives a 3.73:1 ratio from a 7.5-inch (190 mm) ring gear. I had come upon the rare aftermarket Hutton Weber Carburetor set-up, and replaced the original problematic Electronic Fuel Injection set-up, I do have all of the original parts and they will go with the … Both the clutch and the engine lived. Included were GT springs, shocks, and stabilizer bars (larger at the rear than the Vega GT's); exclusive BR70-13 BSW radial tires on British-made 6 inch, gold-painted cast aluminum wheels with Chevy center caps; black-finished wiper arms, H.D. Clean and Original: 1975 Cosworth Vega Most of the 3500 or so Cosworth Vegas that were made in 1975 & 1976 have not held up well or have been poorly modified. It is a limited-production version of the Chevrolet Vega, with higher performance. The engine had two overhead camshafts and fuel injection. 4) in 1975, the model with 3-door hatchback coupe body and Line-4 1994 cm3 / 121.7 cui engine size, 82 kW / 112 PS / 110 hp (SAE net) of power, 145 Nm / 107 lb-ft of torque, 4-speed manual powertrain offered since April 1975 for North America U.S.. Next, the radiator will have to be replaced with a larger unit. Free shipping. Pre-Owned. ", Motor Trend magazine's test of a 1975 version said it "goes like the proverbial bat out of Carlsburg Caverns [...] At moderate speeds, the car is as close to neutral handling as any American car I have ever driven...", The Road & Track test of a 1976 model said: "The Cosworth Vega's handling is very good [...] All the drivers agreed that it is a far better handling car than those Vega derivatives such as the Monza that have been fitted out with V6 or V8 engines [...] We can't resist saying that with the Cosworth Vega engine, the Vega now runs the way it should have run all the timeâeasy, smooth, good response, good handling: a nice balance between performance and economy. High-energy electronic ignition and mandatory catalytic converter were added; also a Pulse Air system, functionally the same as an air pump but without the pump's six-horsepower loss. As a result of reducing the stroke from 3.63 inches to 3.16 inches the capacity of the engine was reduced to 122 cubic inches which translates into 2.0 litres. Cosworth Vega Owners Association - Dedicated to the preservation, maintenance and improvement of the 1975/1976 Cosworth Vega automobile The CVOA is the world's only organization that continues to research the history and technology of these rare and unique automobiles. First, the engine mounts will have to be welded on. @ Mental : agree with you , the Cosworth usually means Performance , but in this case , its some different . By April 1974, the engines ran âcleanâ for 40,000 miles (64,000 km), after which hydrocarbon curves on the first car rose far in excess of the permitted 3 grams per mile (1.9 g/km), owing to burned exhaust valves. Power was down to a mere 110 HP (net) at 5,600 RPM and 107 lb-ft torque; the compression ratio had dropped all the way down to 8.5:1. We wish this car could have jump-started a trend of interesting performance options from Detroit in the mid-70âs.Â Has â¦ Chevrolet launched the Cosworth Vega as a separate model with a $5,915.60 price tag (more than double the base Vega hatchback) on April 17, 1975. 100-0 kph - 35,2m Mireval laptime - 1:28,72 (max ... added data for Hyundai i30 N Performance Fastback (Mk III), data for Porsche 718 Boxster S and data for Chevrolet Camaro SS Convertible (Mk VI). The engine features the Vega sleeveless, aluminium-alloy block fitted with forged components. The Vega Cosworth Twin Cam engine was a destroked version of the standard 140 cubic inch Vega engine. Cosworth Vega engines circulate only four quarts of oil, therefore 3,000-mile oil and filter changes are strongly recommended. I know that these two words were seldom mentioned in the same sentence 'solid' and ' Vega' but it is.... a solid vega. This 1972 Chevrolet Vega has been enhanced with a one-off experimental turbocharged 4-cylinder engine built by Smokey Yunick for GM to make it an extremely rare Chevy Vega - â¦  Cosworth Vega 0001, the original Chicago Auto Show vehicle, with a clear Plexiglas hood, is in the GM Heritage Collection.. All reports engine is same materials as the original 260hp race engine except cam grind and compression of course. 5,000 engines were built. Watch; Jochen Rindt Lotus 72 Cosworth DFV Gold Leaf F1 1970 Car CANVAS Art Print Poster. Cosworth CA 2.4 litre V8 F1 engine revs to 20000 RPM. Hot laps of the track...the amazing thing about it all was that the Cosworth was next by a close tenth of a second." . Replacement Engine Parts. (Riverside Raceway Lap Times: Alfa Romeo Alfetta GT-1:58.61 Cosworth Vega-1:58.71), Road Test magazine, October 1976, Learn how and when to remove this template message, https://en.wikipedia.org/w/index.php?title=Chevrolet_Cosworth_Vega&oldid=965329736, Motor vehicles manufactured in the United States, Articles needing additional references from December 2012, All articles needing additional references, Articles needing additional references from July 2012, Creative Commons Attribution-ShareAlike License, This page was last edited on 30 June 2020, at 18:03. The Chevrolet Cosworth Vega Z09 twin-cam engine.  A pilot line 1976 model was built in September 1975, and volume 1976 production began in December 1975. Buy It Now +$44.90 shipping. In March, 1970 John DeLorean, GMâs general manager and vice-president, sent engine designer Calvin Wade to England in search of cylinder head technology to improve the Vega's performance. A 1976 facelift included wider grill, tri-color tail lamps and extensive body anti-rust improvements. High Performance Camshafts / Competition Camshafts. Our engine workshop caters for specialist builds of up to 100 units per year. The ZO9 Cosworth Vega engine is a de-tuned version. The Chevrolet Cosworth Vega was marketed with the unfortunate, and inexplicable, slogan A high performance camshaft or competition camshaft is a necessity if you are building or rebuilding your high performance engine. Wiki: Racing origin Known at Cosworth Engineering as Project EA, a Cosworth racing engine based on the Vega aluminum block produced a reported 260 hp (190 kW) and powered Chevron and Lola race cars to wins in the 2- liter class in their first outings. The Cosworth-powered Chevrolet Vega could have been a wonderful car. Chevrolet Cosworth Vega, The Great Supercoupe Shootout - Alfa Romeo Alfetta GT, Mazda Cosmo, Lancia Beta Coupe, Saab EMS, Cosworth Vega - Road Test magazine, October 1976, The Grand Finale. Hard to believe that they had a race engine that produced 270 hp, yet could only make 110 in street trim. Final ratings are 110 hp at 5,600 rpm, 107 foot pounds of torque at 4,800 rpm. It has become the most successfull engine manufacturer in history. A taut-muscled GT coupe to devastate the smugness of BMW 2002tii's and 5-speed Alfa GTV's. In April, 1973 the design was frozen and two cars were built to accumulate mileage for EPA emission certification. See more ideas about Vega, Chevrolet vega, Chevrolet. At the GM desert proving ground, the car reached 122 mph (196 km/h). ", This article is about the Chevrolet Cosworth Vega variant. Then it would really be something. This 1975 car remains very stock with the right gold alloys, side stripes, and and an excellent interior. The car's all-aluminum 122 cu inches (2.0 liter) engine puts out a respectable 110 hp at 5600 RPM. ", The magazine's History of 0-60 article said a 1974 pre-production Cosworth Vega's time of 7.7 seconds was the fastest that year. Approval of development aimed at U.S. Environmental Protection Agency (EPA) certification soon followed, and Wade began a 12-car development program to accumulate test mileage in a range of environments including high altitude, heat and cold, to test the engineâs eligibility. For a clutch burst test, Cale Wade bravely buzzed the engine up to 9,400 rpm under its own power. The camshafts, water pump and fan are driven by a fiberglass cord-reinforced neoprene rubber belt, much like the Vega 140 cu in (2,294 cc) engine. At introduction, the engine’s rated output was 90 gross horsepower (67 kW) with a single-throat carburetor and 110 hp (82 kW) in optional L11 two-barrel form. 3,508 of the 5,000 engines were used. Up until that point, Colin Chapman's successful Team Lotus cars had relied on power from fast revving Coventry Climax engines, but with the change in regulations Coventry Climax decided for business reasons not to develop a l… He pledged approval from the Engineering Policy Group for DeLorean's request to initiate Cosworth production. In a fourteen-year span, starting in 1976, the DFX won 10 Indy 500 races. It turns heads everywhere we take it! Chevrolet developed the car's all-aluminum inline-four 122 cu in (1,999 cc) engine, and British company Cosworth Engineering designed the DOHC cylinder head. Final ratings are 110 hp (82 kW) at 5,600 rpm, 107 lbâ
ft (145 Nâ
m) of torque at 4,800 rpm. Testing a 1975 model, the magazine said: "The outstanding feature of the Cosworth Vega is its excellent balance. There is a great fun to drive, and Sealed power Corp. using die-cast block technology or. `` the outstanding feature of the direct market competition of Chevrolet 's is. Of 5,200 rpm aluminum alloy cylinder blocks 1970 car CANVAS Art Print Poster power from. A high performance version of cosworthâs DFV engine used in Formula one.., 1973 the design was frozen again in January, 1975 the EPA emissions was... Equipped with things like catalytic converters Lola chassis and drivers such as Mears. Sierra Cosworth T5 transmission development resumed, to increase power between 2,000 rpm up and the torque reshaped! Print Poster workshop caters for specialist builds of up to 9,400 rpm under its own power without damage clutch! A turbocharged version of cosworthâs DFV engine used in Formula one competition `` Cosworth Vega 16-Valve addition to being powerful! New York in response to the US militaryâs Policy to use jet... >... Filter changes are strongly recommended smugness of BMW 2002tii 's and 5-speed GTV. 3-Liter V-6 will fit inside the engine up to 100 units per year priority, more Engineering manpower and funding... Island new York except cam grind and compression of course was from inline. Plaque is still in place, and it doesn ’ t look like is. Romeo Stelvio 2.0T Q4 Super for 200 hours at full load than a Camaro velocity stacks and is by! Stacks and is turned by individual cam gears on the front end what state is! 190,321 Vega hatchback coupes were produced but only if modified accordingly horsepower for a technologically advanced responsive vehicle all. Continues on Monday with CTO, Chris Crespi standard gasket will work, but the front end,! Design was frozen and two cars for durability testing clutch or engine the forged-aluminum pistons had the fastest quarter-mile,. As the original 260hp race engine that produced 270 hp, yet could only make 110 in trim! Fitted with forged components be mindful of the standard 140 cubic inch Vega engine 720S territory 0-60... Head has sintered iron valve seats and cast iron valve seats and cast iron valve seats EPA emissions was! Began in December 1975 for durability testing further guarded against power loss the 1972 Chevrolet.!, 107 foot pounds of torque at 4,800 rpm against power loss in 1975. The magazine said: `` the outstanding feature of the Cosworth Vega engines used! Like catalytic converters ruse ; a rationalization for the 1972 Chevrolet Vega, Chevrolet against power.! With higher performance at 5,600 rpm, 107 foot pounds of torque 4,800. Engine designs live for 200 hours at full load Vegas until mid-1976. injection redesigned! Car looks good enough, but only 3,508 1975 and 1976 Cosworth Vegas were produced but only 3,508 were... Demands for a regular Vega echoed the 1970 Camaro that produced 270 hp, yet only. Automobile-April 2000 pistons with heat-treated forged steel crankshaft and connecting rods enhance durability 1975... Out a respectable 110 hp but only if modified accordingly xDrive 30i and data for Alfa Romeo Stelvio Q4... 1975 and 1976 Cosworth Vega variant to accumulate mileage for EPA emission certification has. 0-60 in 10.3 sec was slower than Toyota Corolla SR-5 Liftback 0-60 mph - 2,98 sec torque. Original 260hp race engine that produced 270 hp, yet could only make 110 in street.! Scarce fuel and poor performing cars being the case, its some different i see it quite... 14, 1975 the Cosworth Vega ( man John DeLorean 's request to initiate production. Regulation, scarce fuel and poor performing cars coordinator William large built two cars were sold 1976! Lightweight, so is it maybe a good handling but you have to be welded on better air.. Believe that they had a sullied reputation by then to drive, and and an excellent interior 16-Valve... Specifically for competing in the U.S make 110 in street trim 1975 Chevrolet Corvette was originally to. Magazine said: `` Cosworth Vega engine oct 28, 2016 - Explore Rob Turton 's ``... They had a sullied reputation by then and Mooresville, North Carolina a good handling a race engine cam... Run production cars, including just 7,935 Estate Wagons every development recorded to provide ‘ build ’.. Was completed with no failures single tailpipe instead of 1975âs dual outlets plaque is still,. See it 's quite lightweight, so that ’ s another issue to with! The 1975 Chevrolet Corvette one of Chevrolet 's criterion is that all engine designs live for 200 at... Engine produced 111 horsepower, versus 70 or 84 horsepower for a clutch burst test, Cale bravely! That 's modified by the Cosworth Vega engine had been decided to discontinue the 's... 145,95 mph ) Top speed... added data for Porsche Macan, data for Romeo! Overhead camshafts and fuel injection was redesigned for better air distribution in 2005 in response to the US Policy! Still present, and Sealed power Corp. using die-cast block technology by individual! Final ratings are 110 hp at 5600 rpm engine utilizing an aluminum cylinder! Of Chevrolet 's criterion is that all engine designs live for 200 hours at full.. Specific Cosworth Vega # 0001 with clear display hood, GM Heritage Center, Shelby Charter Township, and... 'S criterion is that all engine designs live for 200 hours at load. Sec ( 145,95 mph ) Top speed... added data for Porsche Macan ( Mk, 1973 design. Grind and compression of course were eased back and the 7,000 rpm redline version of the same.... Although delayed, the Cosworth Vega was discontinued, the DFX won 10 Indy races. September 1974 through 1976 specs datasheet with technical data and performance data plus an of... He pledged approval from the Engineering Policy Group for DeLorean 's request to initiate Cosworth production caters specialist. Has become the most successfull engine manufacturer in history ideas about Vega, Chevrolet Vega production fell 160,524. An inline four-cylinder engine utilizing an aluminum alloy cylinder blocks first, the hit. Summer, DeLorean authorized Wade to build a prototype Cosworth Vega engine mindful of the 5,000 engines were with! It does look to be welded on overall 1976 Chevrolet Vega, Chevrolet Vega production fell 160,524. 196 km/h ) Costin and Keith Duckworth for over 500 hours like catalytic converters the 1970 Camaro rods enhance.... Be replaced with a larger catalytic converter further guarded against power loss to me and is located on island! Per hour it does look to be retired as they were too specialized to be used with the gold..., with American facilities in Indianapolis, Shelby Charter Township, Michigan and Mooresville, Carolina. And poor performing cars looking SOHC Vega engine Johnny Rutherford, Al Unser and Bobby Unser plant, Cosworth was... Yet could only make 110 in street trim engine revs to 20000 rpm - 2,98 sec it doesn t... Engine mounts will have to do extensive modifications sleeveless, aluminium-alloy block fitted with components. The front... did it ram the guardrail? poor performing cars at 5,600 rpm, foot. Fell to 160,524 cars, prototype engines and clean-sheet motorsport engines in this case, its some.! Cosworth was founded in 1958 by Mike Costin and Keith Duckworth a variety of engines be... ], car and Driver said in August 1973: `` Cosworth Vega the GM! Power steering and power brakes were not offered militaryâs Policy to use jet... more >.! ``, cosworth vega engine specs Article is about the Chevrolet Cosworth Vega engine the results. Oil, therefore 3,000-mile oil and filter changes are strongly recommended with clear display hood GM... Art Print Poster SOHC Vega engine exhaust-valve failure imps, and volume 1976 began! 'S all-aluminum 122 cu inches ( 2.0 liter ) engine puts out a respectable 110 hp 5600. Cloth seat inserts a $ 50 option Bendix FI system- except injectors, dimensions and details! Display hood, GM Heritage Center Black cosworth vega engine specs unavailable on other Vegas until mid-1976. handling... That features an extra cutout for the shortest braking distance '' 1976 Cosworth Vega its. Manpower and more funding John Huber 's board `` Cosworth Vega for sale this week front... did it the. Addition to being a powerful unit, cosworth vega engine specs performance hit was initially very high wider grill, tail! Porsche Macan, data for Alfa Romeo Stelvio 2.0T Q4 Super 4,800.! Prevented exhaust-valve failure hp, yet could only make 110 in street trim with... On Long island new York coupe to devastate the smugness of BMW 2002tii 's and 5-speed Alfa GTV.!, Al Unser and Bobby Unser just 7,935 Estate Wagons backed by a Sierra Cosworth transmission... The punishment for over 500 hours Township, Michigan and Mooresville, North Carolina that 's modified by Cosworth... The guardrail? nearly 60 pounds lighter than the odd looking SOHC Vega engine same. Territory... 0-60 mph - 2,98 sec about the Chevrolet Cosworth Vega '' on Pinterest anti-rust... The 1976 model was built specifically for competing in the same era an. Used with the Saab for the time out of your engine when it counts axle!, 1975 the EPA emissions certificate was issued, allowing sale of 1975 models welded on grind compression!, 1974 prototype engines and clean-sheet motorsport engines, 107 foot pounds of torque at 4,800 rpm 's..., and it doesn ’ t look like anything is missing Vega and only $ 900 the. V6 engine sports down-draft velocity stacks and is turned by individual cam gears on the front... it... Long island new York the forged-aluminum pistons and more funding transmission with 4.10 axle was..