The 1971 Chevy Nova SS was offered with a few different engine options, with the most powerful being the 350 cubic inch (5.7-liter) V8 engine. This engine produced 250 horsepower. There was also a 396 cubic inch (6.5-liter) V8 option available, which could generate up to 375 horsepower. Overall, the horsepower varied depending on the specific engine chosen.
nova coupe ss 8 cylinder 270 hp 189 kph
Around 155-160 hp
160 hp.
320 hp
It was a 250 CID ( cubit inch displacement ) 6 cylinder engine It had 155 HP @ 4200 RPMs.
165 HP @ 3800 RPMS
185
not enough
150 hp 150 hp 150 hp
From the factory, they ranged from 145 hp to 370 hp.
about 165 hp
230HP