What Chevys came with 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.
How much horsepower did a Chevy 409 have?
360 hp
The 409 featured a 4.31-inch bore and 3.5-inch stroke. The intake valves were 2.06 inches and fit next to 1.72-inch exhaust valves. Both actuated by a mechanical camshaft that fed air and fuel to forged pistons that created more than 11:1 compression. With its single four-barrel carb, the engine was rated at 360 hp.
What year did Chevy use the 409?
1961
The 409 was introduced at the end of 1961. With a bore of 4.3125 inches and a stroke of 3.5 inches it had a solid lifter cam, a single Carter AFB, and was rated at 360 hp. Due to the late introduction, there were just 142 Impala SS 409 cars produced, making them very rare.
What was wrong with the Chevy 409?
The GM 409 Cu. Inch engine had a problem with lower end bearings. Not enough oil to crankshaft bearings. Under extreme loads & high speeds.
How do I identify a Chevy 409 engine?
One of the quickest ways to spot a 348 or 409 block is by its front. W engines have the two water pump inlets to the block spread out across the front. The holes are located very close to the outside of the block and their inlets (with one side flattened) are closer in shape to a diamond than a circle or oval.
How much horsepower does a 348 engine have?
250 horsepower
The Turbo-Thrust 348-cubic-inch engine had 4.125-inch cylinder bores, and a stroke of 3.25 inches. With a four-barrel carburetor, the Turbo-Thrust produced 250 horsepower.
Was the Chevy 348 a good engine?
The 348 should be remembered not as a mighty powerhouse, but as a smooth and reliable big-block for the new, larger Impala. Its 10-second 0-60 mph capability was about the norm for 1958 – hardly the kick-in-the-back acceleration provided by the FI or dual-quad 283s.
How much HP can a 396 make?
The average power numbers from 4,000 to 6,250 rpm (where it carried over 400 lb-ft of torque) were 438 hp and 450 lb-ft of torque. While power peaked at a high 6,400 rpm, low-end torque was still plenty respectable with the motor peaking 483 lb-ft at 4,700 rpm.
How much horsepower did the 348 have?
250 hp
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. The base engine was dubbed the Turbo-Thrust and was rated at 250 hp.