First, you need to sort through the ambiguousness of what you actually have so here is a link to go to that will help you understand and ID your engine.
How to identify your Pontiac engine
Then , once you have your engine size year etc nailed down , we will try to figure out what its doing and go from there.
Hint: the block casting number and the date code is what you want to go by. The engine code on the front tells what horsepower and carb and such that it was built with.Many engine codes are used from year to year and the description changes, so you have to know the date code and block casting number to CORRECTLY ID the engine code.