made in 1987) 1981 Pontiac Bonneville 1986 Pontiac Parisienne The 307 was fitted in some late model 1986 Parisienne's while others had the Chevy 305 LV2 Oldsmobile used the popular LV2, a engine, commonly known by the VIN code "Y", from 1980-1990. It was used by every domestic GM automobile marque except for GMC and Saturn. In 1985, roller lifters, floating piston wrist pins, and swirl port intake runners were added. The 307 "Y" produced and in 1980-1984 models and and in 1985-1990s. All LV2s feature a 4-barrel carburetor. Y-version applications: 1980–1985 Buick Lesabre 1980–1985 Buick Riviera 1986–1987 Buick Regal 1986–1990 Chevrolet Caprice 1980–1985 Oldsmobile 88 1980–1984 Oldsmobile 98 1980–1985 Oldsmobile Toronado 1980–1990 Oldsmobile Custom Cruiser 1980–1981 Oldsmobile Cutlass 1982–1987 Oldsmobile Cutlass Supreme 1988 Oldsmobile Cutlass Supreme Classic 1983–1986 Pontiac Parisienne VIN "Y" 1987-1989 Pontiac Safari 1988–1990 Cadillac Brougham VIN "Y" LG8 The LG8 was a modern High-Output derivative of the LV2 produced from 1983 to 1987. Performance modifications included a "hot" camshaft (in reality, just a camshaft used in various applications during the '70s with .440"/.440" lift and 196°/208° duration at .050"), stiffer valve springs, a larger vibration damper (same as all '73-'79 350s, 403s, and 455s), a Y-pipe dual-outlet exhaust system, and richer secondary metering rods in the carburetor. It was offered in the Hurst/Olds version of the Oldsmobile Cutlass Calais and in the 4-4-2 version of the Oldsmobile Cutlass Salon. Output for 1983-1985 was and . Revisions to the engine for 1986 included roller lifters with a slightly smaller camshaft (.435"/.438" lift and 194°/210° duration at .050"), new heads with smaller, swirl-port intake runners, floating piston pins, and larger piston dishes for lower compression (8.0:1 v. 8.4:1). These changes increased torque to but lowered power to , while lowering the RPM at which peak power and torque was achieved. Applications: 1983–1984 Hurst/Olds 1985–1987 Oldsmobile 4-4-2 1985–1988 Cadillac Brougham VIN "9" Generation 3 The Generation II V8 ended production in 1990. The company later introduced a new vehicle, the Oldsmobile Aurora, with a new generation V8. Based on the Cadillac Northstar engine, this 4.0-liter engine, called Aurora, was a DOHC design with four valves per cylinder. Apart from the Oldsmobile Aurora, the Aurora V8 was also used in the Shelby Series 1. From the 1950s through the late 1970s, each GM division had its own V8 engine family. Many were shared among other divisions, but each design was