What was the bore and stroke of a 1987 Chevy 454?
Bore and Stroke In 1987, the 454 had a bore of 4.25 inches, and a stroke of 4.00 inches. When discussing an internal combustion engine, bore refers to the diameter of the engine’s cylinders, which house a moving ring-and-piston assembly, and stroke refers to the distance that the pistons inside the cylinders move from top to bottom.
When did the Chevy 454 RV engine come out?
Manufactured by Chevrolet, the 454-cubic-inch big-block V-8 is a workhorse used in a multitude of applications. The reliability and high torque made it an ideal choice for everything from light duty trucks, to SUVs and motorhomes. In its current displacement capacity, the engine debuted in 1970.
How big is the exhaust manifold on a 1987 Chevy 454?
The exhaust manifold bolts to the cylinder head with 20 ft.-lbs. of torque and the intake manifold to the cylinder head with 30 ft.-lbs. The oil-pump-cover-to-oil-pump bolts screw to 6.67 ft.-lbs., while the spark plugs join to the cylinder head with 15 ft.-lbs. of torque.
What is the casting number on a 1987 Chevy 454?
The engine block on a 1987 454 engine can be identified by its casting number, 1401544. The cylinder heads feature a casting number of either 14096188 or 14097088. These casting numbers are important if you are purchasing a used 454 engine, as they will allow you to identify that the correct components are installed.
What was the displacement of a 1987 Chevy 454?
Displacement The 1987 Chevy 454 engine displaces 454 cubic inches, or 7.4 liters. In 1987, the 454 had a bore of 4.25 inches, and a stroke of 4.00 inches. The 454 V8 engine in 1987 produced 230 horsepower and 385 ft.-lbs. of torque. The engine block on a 1987 454 engine can be identified by its casting number, 1401544.
Manufactured by Chevrolet, the 454-cubic-inch big-block V-8 is a workhorse used in a multitude of applications. The reliability and high torque made it an ideal choice for everything from light duty trucks, to SUVs and motorhomes. In its current displacement capacity, the engine debuted in 1970.
What was the bore and stroke of a 454 engine?
In 1987, the 454 had a bore of 4.25 inches, and a stroke of 4.00 inches. When discussing an internal combustion engine, bore refers to the diameter of the engine’s cylinders, which house a moving ring-and-piston assembly, and stroke refers to the distance that the pistons inside the cylinders move from top to bottom.
What kind of engine does a 1987 Mallard 454 have?
I recently bought a 1987 Mallard motorhome with a 454 engine. The fluids are good and check out good. I put new spark plugs and spark plug wires on, new rotor and cap, new intake, air and fuel filter. My question is, when I first started I drove for about 5 hours and at 65 miles per hour and and all of a sudden it slows to 40 miles per hour.
