General:
* Displacement: 283 cubic inches (4.6 L)
* Bore & Stroke: 4.00 inches (101.6 mm) x 3.00 inches (76.2 mm)
* Horsepower: Varied based on model and options, ranging from around 135 hp to 220 hp.
* Torque: Also varied based on model and options.
* Compression Ratio: Varied based on model and options, typically ranging from 8.5:1 to 10.5:1.
Engine Components:
* Cylinder Heads: Cast iron, with either 6 or 8 ports (depending on model).
* Intake Manifold: Cast iron, with either a single four-barrel carburetor or dual two-barrel carburetors.
* Exhaust Manifolds: Cast iron, usually with a single exhaust pipe.
* Camshaft: Hydraulic lifter, with a variety of duration and lift specifications based on the model.
* Pistons: Forged or cast aluminum, depending on the model.
* Connecting Rods: Steel, with either a press-fit or floating pin design.
* Crankshaft: Forged steel, with a 2-piece design.
* Valvetrain: Hydraulic lifters, pushrods, and rocker arms.
Note: The 1961 Chevrolet 283 engine was available in a variety of models, each with different specifications. The horsepower and torque figures above are general ranges. It is important to consult the specific model's documentation for accurate specifications.
Specific Models and Options:
Here are some examples of 1961 Chevrolet 283 engine models and their power output:
* 283/135 HP: Base engine, single two-barrel carburetor.
* 283/170 HP: Dual two-barrel carburetors, higher compression ratio.
* 283/220 HP: Single four-barrel carburetor, higher compression ratio, hotter camshaft.
Other Notable Features:
* The 1961 Chevrolet 283 engine was known for its relatively lightweight design and good fuel economy.
* It was available with a variety of options, including different carburetors, camshafts, and compression ratios.
* It was a popular engine for a variety of Chevrolet cars and trucks.
Remember that these are general specifications and you should always consult the specific model's documentation for complete and accurate information.
