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What engines were available in a 1971 Chevy Nova?

The 1971 Chevy Nova offered a mix of practical inline-six power and several small-block V8 options, with a big-block engine available on performance-oriented SS models.


Across the 1971 Nova lineup, Chevrolet provided choices that ranged from economical daily-driver power to higher-performance propulsion. Availability varied by trim level and options package, reflecting the era’s shift toward emissions controls and insurance considerations while still offering sportier choices for buyers seeking more performance.


Core engine options


The following engines were commonly available across base and mid-range Nova configurations in 1971.



  • 250 cubic inch inline-six

  • 307 cubic inch small-block V8

  • 350 cubic inch small-block V8


These powerplants formed the backbone of the Nova lineup, delivering economy, smoothness, or a balance of performance for everyday driving and mid-level models.


Big-block option


For buyers seeking peak performance within the Nova range, a big-block engine was offered on the performance-focused SS model.



  • 402 cubic inch big-block V8 (available primarily on the Nova SS)


The 402-equipped Nova SS stands out as the high-performance option for the 1971 model year, representing Chevrolet’s emphasis on performance within the compact Nova line.


Summary


In 1971, the Chevy Nova offered a spectrum of powertrains: 250 inline-six, 307 and 350 small-block V8s, plus a 402 big-block V8 available on the Nova SS. Engine availability depended on trim and options, providing both economical day-to-day driving and a distinct performance variant for enthusiasts.

What engine came in a 1971 Nova?


Year 1971 Novas were similar to the previous year. The 396 cu in (6.49 L) engine was replaced with the 350 cu in (5.7 L) in the SS model. 1971 also saw the introduction of the Rally Nova, a trim level that only lasted two years (until it resurfaced as the Nova Rally in 1977).



How much horsepower did the 1971 lt1 have?


330 hp
In 1971, the compression ratio was decreased to 9.0:1 and horsepower decreased to 330 hp (246 kW), then the same in Corvette and Camaro.



What were the options for the 1971 Chevy Nova?


Options for the Nova were Sportmag five-spoke alloy, air-conditioning and center console. The two- or four-barrel 350cid V8 ran on regular fuel and pushed out 245 and 270 horsepower respectively. Also, for the 1971 model, the option of a four-cylinder block was withdrawn because of low demand.



What is a 71 Nova worth today?


Typically, you can expect to pay around $14,050 for a 1971 Chevrolet Nova in good condition with average spec.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.