Your right Cablesmill. I just assumed all were 6v. Im hopeing it is the original engine. All the #s idicate a59. I know GM has a option for $$ to give you info on your car. These are the #s i have so far. Con 3 1248 3764476 F925J. I have to rebuild the carb ot leaks. I think im just going to do a tune up. All my research im doing is online. This is my first stovebolt. Im going to do a video, when it stops raining here