Chevy Monza Engine

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Chevy’s Monza 2+2, debuted as a single-model hatchback. The Monza may be described as a subcompact, automobile manufactured by Chevrolet, a division of General Motors for the 1975–1980 model years.

Essentially, the Monza takes its design after the Chevrolet Vega, with the same 140 CID (2300 cc) inline-4 engine, width and wheelbase. At the same time, the 1975 Monza 2+2 accommodates the GM-Wankel rotary engine. However, the motor was discontinued because of lacklustre fuel economy and emissions compliance issues. The 1975 engine was replaced with a 4.3 liter V8 engine option with better fuel efficiency. We have used Monza engines available for sale.

The Monza 2+2 and Towne Coupe were in competition with Ford Mustang II. Similar variants such as the Oldsmobile Starfire and Buick Skyhawk were manufactured utilizing the Monza 2+2 body, grill and variations on the trim.

In the next model year, the Pontiac Sunbird variant was offered in both Monza body variations. The authentic Monza engine was the 2.3 liter Vega aluminum-block 140 CID inline-4 motor carrying a single barrel carburetor with 78 horsepower (58 kW) at 4200 rpm. An optional version had the 2-barrel carburetor with 87 horsepower (65 kW) at 4400 rpm. Another option was Chevrolet’s new 4.3 liter (262 cid) V-8 engine for sale. This was the smallest ever V8 on sale by Chevrolet; it featured a Rochester 2-barrel carburetor producing 110 horsepower (82 kW) at 3600 rpm.

In the 1975 model year, the Chevy Monza was able to meet tight emissions testing by replacing a 5.7 liter (350 cid) V8 engine version with a 2-barrel carburetor with only125 hp (93 kW).

The Monza 2+2 along with its Buick and Oldsmobile counterparts carried GM’s first entry into a torque arm rear suspension. During 1976-77 Vegas and Pontiac Astres followed suite with the same engine. In fact, the base design was also introduced for GM’s 3rd and 4th generation F-bodies, which included the Chevrolet Camaro and Pontiac Firebird.

Used engines for model years from 1975 to 1997 are available for the Chevy Monza from online locating services ASAP Motors.