The first generation of GM 60° V6 engines featured an iron block and heads with inline valves. This generation started in 1980 and versions were produced through 1996. Two different blocks were developed: A transverse engine family for front wheel drive A longitudinal engine family for rear wheel drive GM 60-Degree V6 engine - Transverse. The transverse engines began the 60° family in 1980. Like the rest of the generation I engines, they were updated in 1985 with larger main journals for durability and MPFI and OBD I ...

See also:

GM 60-Degree V6 engine, GM 60-Degree V6 engine - Generation I, GM 60-Degree V6 engine - Transverse, GM 60-Degree V6 engine - Longitudinal, GM 60-Degree V6 engine - Generation II, GM 60-Degree V6 engine - LG6, GM 60-Degree V6 engine - LH0, GM 60-Degree V6 engine - LG5, GM 60-Degree V6 engine - Generation III, GM 60-Degree V6 engine - L82, GM 60-Degree V6 engine - LG8, GM 60-Degree V6 engine - 3.4, GM 60-Degree V6 engine - China

Read more here: » GM 60-Degree V6 engine: Encyclopedia II - GM 60-Degree V6 engine - Generation I

The third generation of the 60° engine was introduced in the 1993 Oldsmobile Cutlass Supreme. It was still an iron block/aluminum head engine, but the head was redesigned for better air flow. GM 60-Degree V6 engine - L82. The L82 was a high-output version of the MFI LH0, produced from 1994 through 1999. It featured a structural oil pan, a stiffer redesigned engine block, and sequential fuel injection. Output for this version was up 20 hp to 160 hp (up 15 kW to 118 kW) and 185 ft·lbf (250 N·m).See also:

GM 60-Degree V6 engine, GM 60-Degree V6 engine - Generation I, GM 60-Degree V6 engine - Transverse, GM 60-Degree V6 engine - Longitudinal, GM 60-Degree V6 engine - Generation II, GM 60-Degree V6 engine - LG6, GM 60-Degree V6 engine - LH0, GM 60-Degree V6 engine - LG5, GM 60-Degree V6 engine - Generation III, GM 60-Degree V6 engine - L82, GM 60-Degree V6 engine - LG8, GM 60-Degree V6 engine - 3.4, GM 60-Degree V6 engine - China

Read more here: » GM 60-Degree V6 engine: Encyclopedia II - GM 60-Degree V6 engine - Generation III

The second generation, introduced in 1987 used aluminum heads with splayed valves, and an aluminum front cover. It was produced exclusively for transverse, front wheel drive use. A special 3.1 L turbocharged version (designed by McLaren) was used in the 1989-1990 Pontiac Turbo Grand Prix. It produced 205 hp (153 kW) and 225 ft·lbf (305 N·m). The next year, Chevrolet introduced a full-production long-stroke 3.1 L (3136 cm³) version, thanks to an 89 mm bore and 84 mm stroke. MPFI wa ...

See also:

GM 60-Degree V6 engine, GM 60-Degree V6 engine - Generation I, GM 60-Degree V6 engine - Transverse, GM 60-Degree V6 engine - Longitudinal, GM 60-Degree V6 engine - Generation II, GM 60-Degree V6 engine - LG6, GM 60-Degree V6 engine - LH0, GM 60-Degree V6 engine - LG5, GM 60-Degree V6 engine - Generation III, GM 60-Degree V6 engine - L82, GM 60-Degree V6 engine - LG8, GM 60-Degree V6 engine - 3.4, GM 60-Degree V6 engine - China

Read more here: » GM 60-Degree V6 engine: Encyclopedia II - GM 60-Degree V6 engine - Generation II