Why A Small-Block 400 V8 Exists In This 1970 Chevrolet Impala  

Firstly, during this era, General Motors introduced the 400 cubic inch displacement engine as

Firstly, during this era, General Motors introduced the 400 cubic inch displacement engine as

a means to comply with emission regulations while still delivering respectable performance.

The small-block 400 V8 was designed to strike a balance between power and efficiency.

Secondly, the Impala was a versatile and popular model that catered to a wide range of customers,

including those seeking a balance of performance and fuel economy.

By offering the small-block 400 V8 as an engine option, Chevrolet provided buyers with a more economical alternative to the larger,

By offering the small-block 400 V8 as an engine option, Chevrolet provided buyers with a more economical alternative to the larger,