My 455 engine number matches the year, plant & sequential of car.
It does not begin with the number 3 for oldsmobile.
The number stamped on block: 022z103899
I recently obtained the build sheet from the



Responses welcomed. Thanks
top of gas tank. It is a Special order Non A/C car with a L75 engine with the w29 package. Could the motor be a manufacturer warranty replacement engine?

 

Nice to have that style of build sheet. Only GMAD plant build cars got that. If your VIN last 6 digits are there you are golden