71 cutlass questions

Hi i'm new here and i don't know much about Oldsmobiles because i'm a mopar guy but an uncle of mine might give me his 71 cutlass for graduation. I had a few questions.
WHat are the different engines sizes-6 cyl 8cyl
Horse Power of these different engines.
Can you stroke these engines.
Thanks for you time, i'll have more questions later.
Dean

come on people i know you know these questions, throw me a bone and answer my question please, they are not very hard. Thanks.
Dean