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A revised grille with smaller segments with the Monte Carlo "knight's crest" emblem moved to a stand-up hood ornament [16] [21] and revised taillight lenses marked the 1977 Monte Carlo, which was the last year for the 1973-vintage design before the introduction of a downsized 1978 Monte Carlo. Engine offerings were reduced to two engines for 1977.
This engine replaced the 250 cu in (4.1 L) straight-six in full-size Chevrolets and Camaros as the base six-cylinder engine. Additionally, the intermediate Chevrolet Malibu and Monte Carlo also used the 229 cu in (3.8 L) as a replacement for both the 200 cu in (3.3 L) V6 and the 231 cu in (3.8 L) Buick V6.
The High Value engine family from General Motors is a group of cam-in-block or overhead valve V6 engines.These engines feature cast iron blocks and aluminum heads, and use the same 60° vee bank as the 60° V6 family they are based on, but the new 99 mm (3.90 in) bore required offsetting the bores by 1.5 mm (0.059 in) away from the engine center line.
Additionally, the engines came equipped with a functional cold air induction hood on the 1983-1984 Trans Am, a dual snorkel air cleaner assembly on the 1983-1986 Camaro Z28 and IROC-Z and 1985-1986 Trans Am, a large, single snorkel on the 1983-1988 Monte Carlo SS (also, rare optional dual snorkel in 1987-1988), an aluminum intake manifold, high ...
The electronically-controlled Hydramatic 4T60-E four-speed automatic transaxle was the alternative, used during the entire production run with the exception of the 1997 Monte Carlo Z34 and 1997 Lumina LTZ, which received the 4T65-E. Applications: 1991–1997 Chevrolet Lumina; 1995–1997 Chevrolet Monte Carlo; 1991–1996 Oldsmobile Cutlass Supreme
A heavy-duty 4T60-E HD was produced in 1996 for the supercharged GM 3800 engine and reused in mid 2005 to 2009 with an LS4 5.3 liter V8 in four different models the Buick Lacrosse Super, Chevrolet Impala SS, Chevrolet Monte Carlo SS, and Pontiac Grand Prix GXP. The 4T60-E was phased out in favor of the 4T65 beginning in 1997.
GM also extended the technology on the new High Value LZ8 V6 engine in the Chevrolet Impala and Monte Carlo as well as the 5.3L V8 LS4 engine in the last generation Chevrolet Impala SS, Monte Carlo SS and Pontiac Grand Prix GXP. In both designs, half of the cylinders can be switched off under light loads.
The upgraded engines, as built by model year 1981, were identified as "350 DX" on the block. [9] The later 4.3-liter V6 engine, which arrived for the 1982 model year, did not have the same problems as the V8. The V6 has a denser bolt pattern and Oldsmobile's engineers were given more time to develop and test it. [8]