If you can figure out another application (vehicle) for that engine, you can refer to the engine related parts of a manual for that application. Or at least look up information on the internet. Usually there are number cast into the block which should help identify it.

If you can figure out another application (vehicle) for that engine, you can refer to the engine related parts of a manual for that application. Or at least look up information on the internet.

There will be numbers cast into the block which should help identify it. Here's a link to get you started, assuming you've got a small block Chevy. This looks like a nice database once you've got the numbers.