This caused overheating which distorted the open deck block allowing antifreeze to seep past the head gasket, causing piston scuffing inside the cylinders.In response, Chevrolet added a coolant overflow bottle and an electronic low-coolant indicator in 1974 that could be retrofitted to earlier models at no cost. Never a big seller, Panel Express sales peaked the Vega's first year at 7,800 units. Regular grade and nonleaded fuel usage. The final design General Motors Rotary Combustion Engine (GMRCE) was fixed when responsibility for the power plant's manufacture was turned over to General Motors Hydra Matic Division in August 1972 – two rotors displacing 206 cubic inches, twin distributors and coils, and a switch to aluminum housing construction. 3 vehicles matched Ending Wednesday at 6:22AM PDT 3d 3h. Vega production at Lordstown was projected at 100 cars an hour from the beginning: one vehicle every 36 seconds. Quick adequate response . The Vega was among the top 10 best-selling American cars in 1974 with a model-year sales peak of 460,374. 8 a.m. Outside the southern edge of Las Vegas, Nevada. The four-speed manual was standard with all engines. During the 60-day test which was certified and supervised by the United States Auto Club, the three cars were subjected to ambient temperatures never lower than 99 degrees and often reaching as high as 122 degrees. There are very few documented examples surviving today. When the corporation started seriously talking about a U.S. built mini-car, Cole's version was chosen with the proposals from Chevy an… Ed Cole, who had been very personally involved with the design of the 1955 Chevrolet V8 as chief engineer at Chevrolet, was equally involved with the Vega engine as GM president, and was a frequent visitor on Saturdays to the engineering staff engine drafting room, reviewing the design and giving direction for changes. Regardless of the cause, damaged cylinder walls were common. The first sand cast aluminum blocks were actually produced a full two years prior to the corporate decision to build the Vega. The Cosworth Twin-Cam, a limited production, performance model was introduced in March 1975 featuring a 122 CID (121.7 cu in) all-aluminum inline-4, the 16-valve, DOHC cylinder head design by Cosworth Engineering in England. The standard acoustical package added another 35 lbs. Non-air conditioned cars have a small 12-inch by 12-inch radiator core. In practice however, the Elpo dip did not flow to every recess or reach every surface. Reynolds Metal Co. developed an alloy called A-390, composed of 77 percent aluminum, 17 percent silicon, 4 percent copper, 1 percent iron, and traces of phosphorus, zinc, manganese, and titanium. Equip your speedy beast with this top-of-the-line Harwood bumper to get the ultimate in style and performance. The final layer was a flash of tin. - CHEVY CHEVROLET SERIAL NUMBER DATA TAG ID PLATE STAMPED WITH YOUR INFORMATION, - AUTO WORLD 1974 CHEVY VEGA - DRAG RACING - 'CUSTOM' THUNDERJET HO SLOT CAR MIB, - Rear Hatch Weatherstrip Seal for 71-77 Chevy Vega Pontiac Astre, - 4 CHEVY BUICK PONTIAC OLDS OEM KEY BLANKS 1970 1974 1978 1982. White-wall tires and full wheel covers were standard as were bumper rub strips. Find Used Chevrolet Vega For Sale (with Photos). The system is balanced to give braking distribution of 70/30 front and rear with no proportioning valve, and exhibiting nearly linear pedal effort. Should bracket break, there was a possibility that idle solenoid and clamp portion of bracket could drop and lodge in area that could cause throttle to be held in partially open position. The original design provided for the full inner fender liners from the beginning. Introduced September 10, 1970 as the Vega 2300, its name came from a bright star in the northern skies and the engine's approximate displacement in cubic centimeters.Designed from scratch by a team of fifty GM corporate engineers assigned exclusively to the program, the Vega was available in four models: a notchback sedan, a hatchback coupe, a station wagon, and a panel delivery (thru 1975). doesn't rattle any splines. This two-seater sports coupe offered a unique look at alternative engineering approaches to future techniques in design and manufacturing.The vehicle was built with a frameless fiberglass foam sandwich body and chassis. 5,000 engines were built, but only 3,508 were used; GM disassembled about 500; the remaining engines were scrapped for a writeoff of $10K per engine.Car and Driver, October 1975 said, "The Cosworth Vega 16-valve four cylinder is the most sophisticated engine Detroit ever made. Mercedes-Benz and Porsche both use sleeveless aluminum engines today, the basic principles of which were developed for the Vega engine. He requested provisions for V8 engine, a full-line of body styles and consideration of a two-passenger coupe version. As I said earlier, the Vega has good craftsmanship, without the faults of the imports. My first car (at age 16) was a 1974 Chevy Vega Kammback. 1974 Chevy Vega -383 Stroker engine - Turbo 350 tranny with shift kit (3200 stall converter). It is painted in a ppg dark and dramatic plum pur 19721972 models were essentially carried over from 1971 with a few refinements and additions. The nine drivers were instructed to treat the cars as they would their own and use the air conditioning as desired. A custom interior option for all models (except delivery) added upgraded upholstery, cargo area load floor carpeting in the hatchback and wagon, a two-postion reclining driver's seat, passenger grab handle and woodgrain accents. They'd harden, split, fall off, and oil would leak down past the valves and into the combustion chamber. Yenko had his staff rent a racetrack but at the last minute, he decided not to go through with the testing. Front and rear aluminum bumpers with inner steel springs replaced the chrome bumpers, and the front and rear license plate mountings were relocated. Axle ratios ran from a low 2.53 for economy, to a 2.92 for better acceleration with a slight fall-off in economy to a 3.36 performance ratio. 1973 Vega GT Hatchback CoupeMillionth Vega special edition, 1974 Vega Hatchback CoupeSpirit of America special edition, 1975 Cosworth Vega Twin-Cam Hatchback Coupe, 1976 Cosworth Vega Twin-Cam Hatchback Coupe. In November 1970, GM paid $50 million for initial licenses to produce the Wankel rotary engine, and GM President Ed Cole projected its release in three years, initially targeted for an October 1973 introduction as a 1974 Vega option.Popular Science magazine in a May 1972 article stated, according to GM, the Wankel had so far proven more reliable than four, six, and eight-cylinder engines — GM-rotary engines were run up to 500,000 miles showing only minimal wear, and the engine's fewer moving parts assured its reliability. Ford 9" with 4.11 gears. 1974The 1974 model year brought the only major exterior design changes, due to the revised front and rear 5-mph bumper standards. Nos Gm - $99.00. Kneisler confessed, "It astonishes me that not one of us thought about seeing what would happen if we ran out of water. The Torque-Drive transmission was discontinued. One Vega for the price of two" as it was advertised, was priced out of the market, and fell well short of its projected sales goal. Numerous prototypes were built, and manufacturing tooling was started in anticipation of approval for production. GM engineer Fred Kneisler maintaines that too much emphasis had been put on overheating problems versus the real culprits: brittle valve stem seals and too-thin piston plating. One of the cars went on display in the 60,000 miles in 60 days exhibit at the 1976 New York International Auto Show. It features improved coolant pathways for the aluminum-block, a redesigned cylinder head incorporating quieter hydraulic valve lifters (replacing the mechanical lifters), longer life valve stem seals, and a redesigned water pump, head gasket, and thermostat. Early cars had no inner fender liners, so the tops of the front fenders got blasted by sand and salt thrown up by the tires, and they quickly rusted." The drivers were checking coolant every day, checking the oil, checking everything every shift." 400 1971-'72 COPO Yenko Stinger Vegas were sold (350 hatchbacks; 50 wagons). Monza wagon models included, as standard, the 151 cu in I-4. Initially Powerglide automatic and Torque-Drive semi-automatic transmissions were optional. It reduces the work effort involved and provides uniform quality. Fisher Body engineers and draftsmen were also moved in with the Vega personnel. All Vega models have a 97.0-inch wheelbase and a 65.4-inch width. The car's reputation had been tarnished from early model issues mainly involving the 140 CID engine while the Vega-derived Monza and smaller Chevette provided alternatives. On this car over 80 percent are automated so you eliminate the worker carrying a heavy welding gun around. In a size comparison with a 1970 Nova, the Vega has a 14-inch shorter wheelbase, 7 inches narrower width, 2 inches lower height, and (1971–1972 models) have 20 inches less overall length.As introduced, the Vega was one of the first Chevrolet vehicles to have as standard equipment front disc brakes, an electric fuel pump, side guard door beams, a double paneled roof, and foam-filled, hi-back bucket seats with floor mounted controls. The block was cast using the Accurad process. The 2.3 liter engine, named Dura-built 140, received improved cooling and durability refinements and a 5-year/60.000 mile warranty. The previous owner passed away and it has been sitting since. ", Aluminum block has 17 percent silicon content, free standing siamese cylinder walls. The Vega engine itself went through 6,000,000 driving miles of testing. ", 1972 Vega Hatchback CoupeMotor Trend October, 1971. We eventually found out that the problem had never been the scuffing of the (cylinder) bore. Not only did corporate management make the decision to enter the mini-car market, it also decided to develop the car itself. Total sales fell to 206,239. The front bucket seats accommodate two adults very graciously with little difficulty getting in or out...Back seat room in the wagon is restricted but livable." Fisher Body had to come back and put stiffing ribs in the roof. General Motors instituted a totally new management program to design the Vega: the car line management technique. Retired 1972 drag car. The front end was redesigned three years later to cosmetically accommodate the larger (aluminum) 5-mph bumpers required for the revised 1974 pendulum bumper impact standard. Chevrolet and Pontiac divisions were working separately on small cars in the early and mid 1960s. Many service operations were intentionally designed so that they were able to be performed by Vega owners. Chevrolet model Vega belongs to compact / small family car class. The 1972 Rochester DualJet two-barrel carburetor required an air pump for emission certification and was replaced in 1973 with a Holley-built 5210C staged two-barrel carb. I like it; I like it very much. All three 1976 Vegas completed a total of 180,000 miles with only one "reliability" incident — a broken timing belt — was recorded. With the Vega nameplate canceled, the Monza 'S' was marketed as a price leader for the Chevy Monza line. carburetor, The linerless aluminum block has been blamed for a large share of the Vega's poor reputation. Handling on the highway is a pleasant surprise. Motor Trend in April 1974 predicted the final outcome – on September 24, 1974, Ed Cole postponed the Wankel engine ostensibly due to emissions difficulties. By 1974 Chevrolet had begun addressing a number of issues with the car, and the Vega of 1976-77 was actually quite a reliable little car. White-wall tires, full wheel covers and bumper rub strips were standard equipment. Production began on June 26, 1970. "Cosworth. $10.89. Musser said, "This was the first vehicle where one person was in charge and, under him — that is me — a group of guys did the entire vehicle." Emission control revisions made in 1973 reduced power output on the optional engine by 5 bhp, although the engine's cruising noise levels were reduced. Handling on the track is quite another story though. Get both manufacturer and user submitted pics. Body surface information recorded on tape derived from the clay styling model, allowed computers to improve the body surface mathematically. Service Station Management and Motor Service magazines in a 1972 survey, the Vega was voted –"Easiest to service, least mechanical problems and best overall in its class" by independent servicemen. The four-speed manual was standard with all engines. MotorMax 1:24 1974 Chevy Vega Metallic Green Street Racing Sweet Cherries. Vega coupe has roof, window, and deck forms extremely-and not accidentally-similar to those of the Italian luxury car. It replaced the discontinued Pontiac Astre Safari wagon which was essentially carried over with Sunbird badging. RWD (rear-wheel drive), automatic 3 … The package includes a front air dam, rear spoiler, appliance wire mag rims, window louvers, a chrome exhaust tip, and bright stripe decals for the hood, body sides, rear spoiler, door handles, and wheel centers. Opel did just that, and tooled up a new 3-speed from scratch just for the Vega application, unusual only because it had shift linkages on both sides. ), May 8, 1972 – 350,000 potential Vegas equipped with standard engine and monojet (single-barrel) carburetor could experience breakage of idle stop solenoid bracket. The Chevrolet Monza Wagon produced for the 1978–1979 model years used the Vega wagon body style. In 1968 GM chairman James Roche announced that General Motors would produce the new mini-car in the U.S. in two years. Pleasing the American car buyer is a delicate task. February, 1969 – Opel three- and four-speed transmissions added (three-speed standard, others optional), Powerglide added (now four transmissions), mechanical fuel pump replaced by in-tank electric fuel pump, power steering option added, base "11" style Notchback trim upgraded to match Hatchback and Wagon (carpet and headliner). The incentive was cost. The GT coupe is sporty, something most American compacts that have ever existed weren't.". One of the program objectives was to produce a 2,000-pound car to sell for $2,000.00, and every penny was watched. The certification process requires a 50,000-mile test. The engine paint color went from orange used in '76 to blue as were all 1977 Chevy engines. Both engines had revised emission controls with different carburetion and ignition settings. It was a corporate car, not a divisional one. Super Chevy. The rebadged hatchback had the new Monza front end header panel and grill with Chevy bowtie emblem, steel front and rear bumpers replaced the Vega's aluminum bumpers. Something went wrong. The front suspension is classic General Motors short and long-arm. It would make a great surf wagon! This was a brutally short time to design and engineer a new car, especially one that borrowed almost nothing from any other. Even the SCCA says so." 1974–1977 models have front and rear 5-mph bumpers and are 5.7 inches longer than the 1971–1972 models. A three-speed Turbo-hydramatic automatic transmission option was added, joining the two-speed Powerglide. The four-link rear suspension copied that of the 1970 Chevelle, and coil springs are used throughout. The aluminum block inline-four engine was a joint effort from General Motors, Reynolds Metals, and Sealed Power Corp. The two-barrel version (RPO L11) produces 110 hp. They won't be turning them off much during the next 58 days except for rest and food stops, refueling and maintenance. I am only selling her because the place I am moving to doesn't have enough parking for me to bring it. Furthermore, fuel economy for the three test Vegas averaged 28.9 mpg over the duration of the run, while oil was used at the rate of only one quart every 3400 miles. Home. Each engine was hand-built and includes a cam cover sticker with the engine builder's signature.The Cosworth Vega engine is some 60 pounds lighter than the SOHC Vega engine. This was nearly twice the normal volume and by far the fastest rate in the world. 1974 Chevrolet Vega Ive owned my Vega for a couple of years now. To tool up a new left hand mounted hood hold-open prop and cowl-mounted hood pop-up spring improved compartment. Controls with different carburetion and ignition settings big Seller, panel Express panel Express was discontinued at the time oil. 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