The Vega engine is a 140 CID (139.6 cu in) aluminum-block OHC inline-4.The Vega competed directly with its domestic rivals from Ford and AMC and imports from Toyota and Datsun as well as the rear-engined VW Beetle. Built to take it. A quick peek under the 1977 Vega Hatchback NHRA 8.50 certified. One complete GM Wankel engine exists. As problems with the vehicle became apparent, he put additional inspectors and workers on the line and introduced a computerized quality control program in which each car was inspected as it came off the line and, if necessary, repaired. , As production approached 100 vehicles per hour problems arose in the paint shop. ", Motor Trend said "Chevrolet chose the 349-mile Southwestern desert route in order to show the severely criticized engine and cooling system had been improved in the 1976 model. Clean title.  Variants included the Cosworth Vega, a short-lived limited-production performance model, introduced in the spring of 1975. Simplicity for easy maintenance. 1973 Chevrolet folder: back cover-Best Economy Sedan for '73-Vega. The overall ratio is 22.5:1 and the curb to curb turning circle is 33 feet. "The Vega was judged solid, warm and comfortable, with a good finish." The 196 CID and 231 CID V6 engines were optional. Extensive anti-rust improvements to the body included galvanized fenders and rocker panels. Translated into actual driving expenses, the three Vegas averaged a per-mile cost of 2.17 cents. To further that end, a "Do-It-Yourself" service manual was included with each new Vega. Production ended with the 1977 model year. Monza wagon models included, as standard, the 151 cu in I-4. Rust also damaged the rocker panels and door bottoms, the area beneath the windshield, and the body above the rockers. It has many other good qualities, but the road holding impressed and surprised me most of all.  Total sales fell to 206,239. At 85 units per hour, nearly all required repair. A GM design team was set up, headed by James G. Musser Jr., who had helped develop the Chevy II, the Camaro, the Chevrolet small-block V8 engines, and the Turbo-Hydramatic transmission. The block has cast iron main caps and a cast iron crankshaft. Supervised by the United States Auto Club, three pre-production 1976 hatchback coupes with manual transmissions and air conditioning were driven non-stop for 60,000 miles (97,000 km) in 60 days through the deserts of California and Nevada by nine drivers, covering a total of 180,000 miles (290,000 km). Conservative estimates had placed the cost of bringing the Vega from drawing board to production reality at a staggering $200 million (a billion in today's money) compared to about $5 million for the AMC Gremlin.Motor Trend awarded the Vega 1971 "Car of the Year" after a 4-day ride and drive that saw 10 of Detroit's finest put through a 1000 mile wringer. Development and upgrades continued throughout the car's seven-year production run, addressing its engine and cost-related issues. A relatively large displacement engine with good low speed torque was chosen. A similar system secured the Cosworth engine EPA certificate in 1975. Derion pointed out, too, that a rust-prone gap existed between the front fenders and the cowl vent. 350ci, 350 auto. " 1973–1977 Pontiac Astres used all Vega bodies (and Vega 140 CID I-4 engines through 1976). This 1972 Chevrolet Vega is an unusual choice for a restomod with an equally interesting drivetrain swap, a 3.8 liter V6 and 5-speed sourced from an ’02 Camaro. The Torque-Drive transmission was discontinued. With direction from Bill Mitchell, Haga's group took a clay model and redid the engineering version of the Vega, grafting a miniaturized Camaro front end and egg-crate grille and capped the rear of the sedan and hatchback models with recognizable Chevrolet tail lamps.The original approved clay model had small rectangular front parking lights below the bumper. 1970, s patina race car body cuts, arc welded, race car grade body and paint 6.5 out of 10. They'd harden, split, fall off, and oil would leak down past the valves and into the combustion chamber. Turbo Hydra-Matic three-speed automatic transmission and custom cloth interior were optional and a glove box was added. Junkyard Find: 1972 Chevrolet Vega hatchback coupe - The Truth … Chevy grafted a new Monza front end onto the previous Vega hatchback and wagon body-styles. A single-barrel carburetor version produces 90 hp. The cast-iron cylinder head was chosen for low cost. I-4 84 hp. " Motor Trend said in its September 1999 50th Anniversary Issue: "The Vega seemed well placed to set the standard for subcompacts in the 70s, but it was troubled by one of the most vulnerable Achilles heels in modern automotive history; an alloy four-cylinder engine block that self-destructed all too easily, and all too often. Then, at best, the cars burned more oil. Plating the piston skirts was necessary to put a hard iron skirt surface opposite the silicon of the block to prevent scuffing. This is quite an automobile." Regardless of the cause, damaged cylinder walls were common. It concerned a perceived risk that a component in the emission-control system (idle stop solenoid bracket) might fall into the throttle linkage, jamming it open. Low weight to provide good vehicle weight distribution. The 2-speed Powerglide was discontinued, leaving the 3-speed Turbo-hydramatic as the sole automatic transmission offering. Despite the continuous development program and efforts to improve the car's image, Chevrolet cancelled the Vega and its aluminum engine at the end of the 1977 model year. A few details could be improved upon, but overall the car looks well built, and with nearly twice the power as a stock four-cylinder model, it should be quick too. Vega production at Lordstown was projected at 100 cars an hour from the beginning: one vehicle every 36 seconds. Starting in 1976, extensive anti-rust improvements on the Vega's body included galvanized steel fenders and rocker panels and "four layer" fender protection with zinc coated and primed inner fenders and wheelwell protective mastic, zinc-rich pre-prime coating on inner doors, expandable sealer installed between rear quarter panel and wheel housing panel, and corrosion resistant header panel, grill and headlamp housings. and when certain accessory and trim groups were ordered there was still more noise insulation. 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. The Monza Estate, like the Vega Estate wagon it replaced, features wood grain sides and rear trim with outline moldings and the custom interior. 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. Engineering out the four-cylinder's block liners would save $8 — a substantial amount of money at the time. "1976-'77 Dura-built engines had redesigned seals that reduced oil consumption by fifty percent. Not concourse or pro mod. This 1976 Chevy Vega GT Hatchback with 35k original miles is for sale in San Francisco, CA, on ebay bidding at $3050 reserve-not-met. , In November 1970, GM paid $50 million for initial licenses to produce the Wankel rotary engine. 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