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The 1972 Chevelle SS top engine was rated at 270 net hp (201 kW), conforming with GM's decree that all engines would be rated at their net engine ratings. All other engines on the SS roster were unchanged from 1971. 1972 was the last year for the cowl induction option for the 454 cid engine and was not even mentioned in the 1972 Chevelle brochure.
Between 1966 and 1969 the L78 was the highest-horsepower engine available in Chevrolet's intermediate line via a Regular Production Option (RPO). Despite this, in 1969 an L72 427 cu in (7.0 L), 425 hp (317 kW) engine could be ordered in an intermediate via a Central Office Production Order (COPO).
In 1966 it was the most powerful engine available in the Corvette, and between 1966 and 1969 was the most powerful engine available in full-sized models. In 1969 the L72 was available via a Central Office Production Order (COPO) in Chevrolet's intermediate and pony car . Today these vehicles - referred to as COPOs - are among the most ...
The 396 cu in (6.5 L) V8 was introduced in the 1965 Corvette as the L78 option and in the Z-16 Chevelle as the L37 option. It had a bore × stroke of 4.094 in × 3.760 in (104 mm × 95.5 mm), [28] [29] and produced 375 bhp (380 PS; 280 kW) at 5600 rpm and 415 lb⋅ft (563 N⋅m) of torque at 3600 rpm. [30]
The 454 engine option was available for the first half of the model year in the Chevelle and thus the 1975 Laguna had the 400 as the top engine. The 49-states' engine line-up was - the standard 145-horsepower 350 two-barrel V8, the optional 175-horsepower 400 four-barrel V8, and the 215-horsepower 454 four-barrel V8.
This generation introduced the Chevrolet 90° V6 family of engines, with the 200 CID (3.3 L) V6 as the base engine for the all new 1978 Chevrolet Malibu, along with the 229 CID (3.8 L) V6 and the 305 CID (5.0 L) Chevy built V8 as options. The 200 and 229 engines were essentially a small block V-8, with one pair of cylinders removed.
The 1967 & 1968 427 Camaros were so popular that, in 1969, Yenko used Chevrolet's Central Office Production Order (COPO) system to have L-72 engines installed into Chevrolet Camaros and Chevelles. During 1971 and 1972, Yenko sold Yenko Stinger Vegas.
Super Sport, or SS, is the signature performance option package offered by the Chevrolet division of General Motors on a limited number of its vehicles. All SS models come with distinctive "SS" markings on their exterior. The SS package was first made available for the 1961 Impala. [1]