When did Chevy stop making the 427 engine?
Chevrolet, a division of General Motors, stopped producing the iconic 427 cubic inch (7.0 liter) V8 engine in 1969. The 427 was a high-performance engine that powered some of Chevrolet's most legendary muscle cars, including the Corvette and Chevelle.
The Rise and Fall of the Chevy 427 Engine
The Chevy 427 engine was first introduced in 1966 as a high-performance option for the Corvette and Chevelle models. It quickly gained a reputation for its impressive power and performance, with the 427 producing up to 435 horsepower in its most potent form. The 427 became a symbol of Chevrolet's engineering prowess and the muscle car era of the 1960s.
However, the 427's reign was relatively short-lived. Increasing emissions regulations and safety concerns in the late 1960s led to the engine's demise. In 1969, Chevrolet discontinued the 427 in favor of smaller, more fuel-efficient engines that could meet the new environmental and safety standards.
The Legacy of the Chevy 427
Despite its relatively brief production run, the Chevy 427 engine left an indelible mark on automotive history. It remains one of the most iconic and sought-after engines ever produced, with enthusiasts and collectors still highly prizing cars equipped with the 427 V8.
The 427's legacy can be seen in the continued popularity of classic Chevrolet muscle cars, as well as in the ongoing development of high-performance engines by Chevrolet and other automakers. While the 427 may no longer be in production, its impact on the automotive industry and the hearts of car enthusiasts continues to this day.
What is the difference between a 427 big-block and a 427 small block?
Big blocks make torque early because of the rotation weight. Like a heavy flywheel. They typically sign off earlier too. A small block makes power later because of it's lighter rotational weight.
How much horsepower can you get out of a Chevy 427?
After dialing everything in, the 427-inch small-block spit out a best pull of 656 hp at 6,700 rpm and 567 lb-ft of torque at 5,100 rpm. The torque curve was long and flat and the hp was still slightly climbing when the pull ended at 6,700 rpm.
What was the last year of the 427 engine?
1969
What cars did the Chevy 427 come in?
Vehicles Found With "427 Ci/425 Hp (l72)" as Engine
- 1969 Chevrolet. Chevelle Yenko.
- 1969 Chevrolet. Camaro Yenko.
- 1966 Chevrolet. Biscayne L72.
- 1969 Chevrolet. Camaro COPO.
- 1969 Chevrolet. Camaro Yenko.
- 1969 Chevrolet. Chevelle Yenko.
Did Ford ever have a 427 engine?
The Ford single overhead cam (SOHC) 427 V8 engine, familiarly known as the "Cammer", was released in 1964 in an effort to maintain NASCAR dominance by seeking to counter the enormously large block Chrysler 426 Hemi "elephant" engine. The Ford 427 block was closer dimensionally to the smaller 392 cu. in.
How much horsepower did the Chevy 427 make?
The L72 was a 427 cu in (7.0 L) 90° overhead valve V8 big-block engine produced by Chevrolet between 1966 and 1969. Initially rated at 450 horsepower, the rating dropped to 425 hp (317 kW) shortly after its release (although there was no change in power).
What is the biggest small block Chevy ever made?
Gen-IV LS7
The Gen-IV LS7 is the largest factory-installed small-block Chevy V-8 ever, displacing 427.8 cubic inches, or just over 7.0 liters. It featured the same bore as the 1970s 400-cubic-inch engine at 4.125 inches (104.8 mm), but unlike the 400 the LS7 got a full 4.00-inch-stroke crankshaft.
How much horsepower does a 1969 427 engine have?
435-horsepower
Not that it mattered: "There's simply no production car available today that can top its acceleration." The 1969 Corvette 427 was offered with a choice of a 390-, 400-, or 435-horsepower engine.
How much horsepower did the L88 really have?
Although the factory-claimed horsepower was 435, real power output was likely somewhere between 540 and 580, enough to allow a “stock” L88 to run the quarter-mile in the mid-to-high 11-second range.
Did Chevrolet ever make a 427 small block?
With a 4.125-inch bore and 4.0-inch stroke, it's the largest small-block V-8 from Chevrolet, actually displacing 427.8 cubic inches. The LS7 bottom end used a forged crank for strength and titanium rods to trim weight.
