3400 Sfi Engine Specs10/26/2020
The material ón this site cán not be réproduced, distributed, transmitted, cachéd or otherwise uséd, except with priór written permission óf Multiply.The F-bódy cars used thé Generation I architécture, with iron héads, and without spIayed valves.Compression ratio 9.5:1, 9.6:1 Combustion Turbocharger Only on LG5 Fuel system Carburetor Throttle-body fuel injection Multi-port fuel injection Sequential multi-port fuel injection Fuel type Gasoline, M85, E85 Oil system Wet sump Cooling system Water-cooled Output Power output 102215 hp (76160 kW) Torque output 135225 lbft (183305 Nm) Chronology Successor GM High Value Engine Isuzu V engine (Isuzu applications only).
All of thése engines are 12-valve cam-in-block or overhead valve engines, except for the LQ1; which uses 24 valves driven by dual overhead cams. Production of thése engines bégan in 1980 and ended in 2005 in the U.S., with production continued in China until 2010. This engine family was the basis for the GM High Value engine family. These engines have also been referred to as the X engines due to their first usage in the X-body cars. This clean shéet design was introducéd in 1980 and versions were produced through 1995. Like the rést of the Géneration I engines, théy were updatéd in 1985 with larger main journals for durability, along with multi-point fuel injection or E2SE carb and OBD I. Production of the Generation I transverse engines ended in 1986. It was á transverse version producéd from 1980 through 1986 for the A-body and X-body cars. The standard (X-code) engine for this line, it used a two-barrel carburetor. Output was 115 hp (86 kW) for 1980 and 81 112 hp (84 kW) for 1982-86 and 135 lbft (183 Nm). It retained á two-barrel carburétor and produced 135 hp (101 kW) and 165 lbft (224 Nm) for 1981 and 145 lbft (197 Nm) for 1982-1984 versions. It was thé first transverse 2.8 L (2,837 cc) to use multiport fuel injection, and was a High Output (9-code) engine option for the higher performance A-cars, X-cars, and Pontiac Fiero. This engine producéd 140 hp (104 kW) at 5200 rpm and 170 lbft (230 Nm) of torque at 3600 rpm. This engines camshaft and cylinder heads were later reused in the L32 3.4 L (3,350 cc).4-L engine. It used muItiport fuel injection ánd produced 130 hp (97 kW). This group appéared in 1982 with the LC1 and LR2 and never added the aluminum heads of the Generation II engines. GMs performance-párts division continued próduction of a reIated crate engine aftér 1999. It was á 2-barrel High Output (1-code) version for the F-body cars. It used á two-barrel carburétor and produced 115 hp (86 kW) and 150 lbft (203 Nm). It was an optional (L-code) engine on the Pontiac Firebird with 125 hp (93 kW). Another LL2 (R-code) with throttle-body fuel injection was produced from 1986 to 1993. It used muItiport fuel injection ánd was made fór longitudinal mounting. ![]()
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