redesign, featuring changes such as a balance shaft, on-center bore spacing, use of a 3x/18x crank-trigger system, and other improvements. This generation continued in use in several GM products into the early 1990s. It produced and . The LN3 is very closely related to the Series I L27 and Series I L67 Supercharged. In fact, supercharger-related hardware can be fitted to an LN3 without changing the cylinder heads. However, the ECM would have to be reprogrammed. The L27 has a two piece, upper plenum intake and lower intake, the LN3 is all one piece. 1988–1990 Buick Electra 1988–1991 Buick LeSabre 1988–1990 Buick Reatta 1988–1990 Buick Riviera Formula Holden (motor racing category) 1988–1991 Holden Commodore (VN Series I) 1988.5–1991 Oldsmobile Delta 88 1988-1990 Oldsmobile Ninety-Eight 1988-1990 Oldsmobile Touring Sedan 1988–1990 Oldsmobile Toronado 1988–1990 Oldsmobile Toronado Trofeo 1988–1991 Pontiac Bonneville 3300 (LG7) A smaller 3.3 liter 3300 was introduced in 1989 and produced through 1993. It was effectively a lower-deck version of the 3800, with a smaller bore and stroke of for . Like the 3800, it used a cast iron block and heads, push rods, and hydraulic lifters. Unlike the 3800, however, it used a batch-fire injection system rather than sequential injection, as evidenced by the lack of a cam position sensor. It also did not have a balance shaft. Power output was at 5,200 rpm and at 2,000 rpm with a 5,500 rpm redline. Applications: 1989-1993 Buick Century 1989-1993 Buick Skylark 1992-1993 Pontiac Grand Am 1992-1993 Oldsmobile Achieva 1989-1991 Oldsmobile Calais 1989-1993 Oldsmobile Cutlass Ciera Series I L27 SI Naturally Aspirated The LN3 was replaced by the L27 in 1991-1992 and produced from 1992 onward, this engine was referred to as the Series I 3800, or 3800 TPI (Tuned Port Injection). In Australia, the LN3 was also replaced by the L27 by Holden who used the engine in their series 2 (1991) VN Commodore range. However, the Australian L27 retained the LN3's one piece upper intake and lower plenum. Power was still boosted to for the Holden L27, before being boosted to in the revised VR Commodore in 1993. The L36 made its debut in 1995. 1992–1995 Buick LeSabre 1991–1994 Buick Park Avenue 1991 Buick Reatta 1990–1995 Buick Regal 1991–1993 Buick Riviera 1992–1995 Chevrolet Lumina APV 1991–1995 Holden Commodore (VNII, VP, VR) Holden Caprice (VQ, VR) 1992-1994 Pontiac Bonneville 1992–1995 Pontiac Trans Sport 1992-1994 Oldsmobile Eighty-Eight 1992-1994 Oldsmobile Ninety-Eight 1991–1992