is the casting number right up on top by the carb hole? I was dark when I tried to read it, looked kinda like 8090-BB. I will double check that.
Most likely a '80 casting. I say this because of the BB. Here is my cylinder head, notice the 0 wasn't cast after the E
It's on top of the intake log just to the left of the carb hole. The 8090-BB is the last part of the number. Further to the left...if it is an 80 casting(starts with an "E") that is the best of the heads cuz it has the largest intake log.
