The engine came out of a chevrolet passenger car
250: 3.875x3.53 bore & stroke
firing order1-5-3-6-2-4The stroked 250 version produced 155 hp (116 kW) for Chevrolet and GMC. Between 1975 - 1984, an integrated cylinder head was produced, with one-barrel intakes for passenger cars, and two-barrel intakes for trucks after 1978.Passenger car use of the 250-cubic-inch (4.1 L) engine was discontinued after the 1979
This engine was used on the following vehicles:1966-1984 Chevrolet (passenger cars to 1979, trucks/vans to 1984)
1968-1979 Chevrolet Camaro
L22The L22 was a 250-cubic-inch (4.1 L) I6 engine produced from 1967 to 1979. The ‘78 Camaro had 105 horsepower (78 kW) and 190 ft·lbf (260 N·m) of torque with the 250.
LD4The LD4 was a 250-cubic-inch (4.1 L) I6 engine produced strictly in 1978.
What specs do you need?
List the numbers stamped on the pad behind the distributor, and the casting numbers near the back of the block on that side.