What is a Chevy 402 big block?
What is a Chevy 402 big block?
The Chevy 402 big block is a Big Block Chevy (BBC) engine created in the 1970s. The Chevy 402 engine is now mainly found in American muscle cars, such as the Chevrolet Camaro and Monte Carlo, and trucks and other vehicles big enough to hold the engine. BBC engines are known for their size and power.
What kind of car is the Chevy 402?
Chevy 402 Big Block Specs. The Chevy 402 big block is a Big Block Chevy (BBC) engine created in the 1970s. The Chevy 402 engine is now mainly found in American muscle cars, such as the Chevrolet Camaro and Monte Carlo, and trucks and other vehicles big enough to hold the engine.
How much torque does a Chevy 402 engine need?
The four-bolt main bearing caps of the crank require 105 ft-lb. and the two-bolt main bearing caps require 95 ft-lb. of torque to attach with the block. The oil pan bolts to the engine block with 11.25 ft-lb. of torque, and its drain plug bolts to it with 20 ft-lb.
What’s the difference between a Chevy 396 and 402?
Although it displaced 6-cubic-inches more than the 396 and had a bore that was 0.03 inches wider than the 396, Chevrolet marketed the 402 as a 396 on its smaller cars like the Nova, while labeling it as a 402 in its full-size automobiles. In this 6.6-liter engine, the cylinder head bolts to the engine block with 80 ft-lb. of torque.
How tall is a big block Chevy truck?
Casting Year CID Main Caps Comments 340220 1972-76 427 4-bolt tall truck 345014 1974-86 454 . truck 346236 1974-76 454 2 215, 2 bolt 359070 1974-90 454 . truck
How big is a Chevy big block?
Generally a “small block” was under 400 cubic inches (6.55 L) and a “big block” was over 400 cubic inches. However, there were some exceptions, the Chevy 396 is commonly considered a big block because it shared parts with other Chevy big blocks.
What is the best small block chevy engine?
First produced in 1967, the Chevy 350 is the best known small block in GM’s engine inventory. It is remarkably versatile and has powered everything from the Chevy Camaro to the Cadillac. It came in numerous horsepower and torque configurations, and is also considered one of the easiest engines to rebuild with aftermarket parts.
What is the bore and stroke of Chevy 402?
Chevy 402’s displacement measures 402 cubic inches, or 6.6 liters. The BBC engine has a stock bore of 4.125 inches and a stock stroke of 3.76 inches. The Chevy 402 engine has an aluminum head and eight cylinders. It takes unleaded gasoline and is considered to be a gas guzzler.
What are the dimensions of a Chevy big block?
All big blocks measuring from 396 to 502 cubic inches in displacement use 6.135-inch c-c rods weighing 780 grams and measuring 2.2 inches at the crankshaft pin and 0.999 inches at the wrist pin.
