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1970 Chevrolet Impala Overview

Although the 1970 Impala looked almost identical to the 1969, certain trims were lacking power under the hood: the 427 engine was a thing of the past along with the "SS" option. Replacing the 427 was a new 454 cid V8 with horsepower ratings of 345 (LS-4) and 390 horsepower (LS-5).
Other engines included a 155-horsepower 250 cid six, which was offered only on the four-door sedan and sport coupe in the Impala line as only V8s were offered on the Impala sport sedan (four-door hardtop), Custom Coupe (which shared the squared-off roofline with the flagship Caprice coupe) and convertible, along with the Impala-based Kingswood station wagon. The standard V8 was a 250-horsepower 350 which replaced the 327 of previous years. Optional V8s included a 265-horsepower 400 cid and 300-horsepower 350 cid.
The standard transmission was a three-speed manual with column shift and optional transmissions included the two-speed Powerglide and three-speed Turbo Hydra-matic. The four-speed manual transmission was dropped from the option list this year along with the SS package.
The 1970 Impala had typical early 70's styling, with an elongated front and roomy cab. Front disc brakes were standard on all Impalas, and were known for their responsiveness and power.

1970 was a transitional year for the Impala; it started to move away from its muscle car roots, and more towards being a luxury family-style car a short step below Chevy's top-line Caprice. Impala remained America's best-selling automobile for the 11th consecutive year.

Updated by Anonymous

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Chevrolet Impala Questions


What Was The List Price Of The Chevy Impala In 1970?

standard model

How Much Is An Original 1970 Impala Hardtop Worth, With A 454?

It is solid, and original...but will need some repairs, a little rust repair and paint!

How Much Are They Worth Today?

I'm looking at buying a 1970 Chevy Impala, 2 door, 82,000 original miles, hardtop and the asking price is $5,000. Is this a good deal?

2 Door 1970 Impala Hard Top

I have a used 1970 impala with a 400 small block engine n automatic tranny needs interior work that im wanting to sell whats a fair price on this kind of car

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battery and alternator check out ok. I have to jump start the car. it will run fine ,I can turn it off and on a few times ,maybe even let it sit awhile and it will start.Then comes the time when I g...