Readers ask: What Was The Horse Power Rating On Chevrolets 348 Ci Late 50’s And Early 60’s Engines?

How much horsepower does a 348 have?

With a bore and a stroke of 4.125 x 3.25 inches and 9.5:1 compression ratio, the 348 developed 250 bhp at 4000 rpm and 355 pounds-feet of torque at 2800 rpm. Combustion chambers were cylindrical wedges formed by flat-bottom heads that rested against the block faces at a 16 degree angle.

Was the Chevy 348 a good engine?

Yes, the block was very well engineered for its intended use – hard core, low vehicle speed / high engine rpm grunt work. With 1.94-inch and 1.65-inch diameter intake and exhaust valves, its breathing capability was labeled “excellent”. Yes, the 348 was originally conceived for Chevy trucks. That was good!

Was the Chevy 409 a good engine?

Chevrolet’s 348/409 engines were good performers and they were dependable engines. W engine with 13.5:1 compression rated at 435hp. While a standard 409 used a 4.3125 x 3.50 bore and stroke, the 427 was stretched to 4.313 x 3.65. The camshaft had.

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What year did the Chevy 348 engine come out?

First appearing in 1958, the 348 was available through 1961 in cars and 1964 in trucks. It had a bore of 4.125 inches and a stroke of 3.25 inches and was offered in an assortment of horsepower ratings.

How much horsepower can you get out of a 348 engine?

For right around $700 the stroke of a 348 can be increased from 3.25 to 4.0 inches, resulting in 434 ci. Recently Beck built a stroked 348 with virtually the identical components we used in our engine—the result was 473 hp and 507 lb-ft of torque. That’s almost 100 hp and over 160 more lb-ft of torque.

Is a 348 A big block?

The big block, which debuted in 1958 at 348 cu in (5.7 L), was built in standard displacements up to 494 cu in (8.1 L), with aftermarket crate engines sold by Chevrolet exceeding 500 cu in (8.2 L).

What year Chevy 350 is the best?

L31 ( 2002 ) From a purely technical standpoint, the most recent version of the Chevy 350 would naturally be the best of the bunch. Marketed as the “Vortec 5700” engine, but known internally by the moniker of L31, this engine was used primarily in GM vans and trucks until 2002.

How much horsepower did a Chevy 409 have?

The top-trim versions of the street-car 409 churned out an astonishing 425 horsepower, while the Bill “Grumpy” Jenkins-tuned NHRA cars could run the quarter mile in under 13 seconds.

When did Chevy stop making the 327?

The last iteration of the 327 appeared in 1969 with a two-barrel carburetor and a 9-to-1 compression ratio that produced 235 horsepower and 325 foot pounds of torque, but by then another Chevrolet small-block had already appeared on the market and had begun stealing what thunder the 327 had left.

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What is a 409 engine worth?

A good deal would be $1200 – $2000.

What Chevy cars had a 409?

Chevrolet brought muscle car power to the people in the early 1960s, especially with the 1961 Chevrolet Impala SS 409. The mid-1961 introduction of the Chevrolet Impala Super Sport option package showcased another new arrival, the 409-cid V-8.

What is a 406 engine?

A model of simplicity, the 406 combines all the right performance hardware to deliver max power and durability; a bulletproof short block, powerful cylinder heads and induction tuning, performance wet sump oiling system and a vacuum pump to sweeten the deal. [pro_ad_display_adzone id=”16495″]

Is a 396 a good engine?

The 396 is a good revving engine, so you’d want to run a steel crank so it would live at the rpm you’d have to run it to make HP. And probably a roller cam, as flat tappet cams in big blocks have a nasty habit of “going away” relatively easily.

What is the difference between a 396 and a 427?

The cranks have the same stroke 3.76. The 396 crank is lighter having 3/4″ wide 3rd counterweight. The 427 cranks look identical except the 3rd counterweight is 7/8″ thick, heavier crank due to heavier pistons for the larger bore.

What is the biggest Chevy engine?

The Most Powerful Big-Block Street Engine From Chevrolet Performance! The ZZ572/620 is the ultimate expression of Chevrolet Performance’s engineering capability. We build the ZZ572 with huge 4.560-inch bores and add a forged 4.375-inch-stroke crankshaft.

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