383 build help one piece at a time

Well bad new's ... i F'd up ....found out the casting number on the block says it's a 65' 383 but after measuring the bore it's a 361..... That's when I realized I should have looked at that pad but I didn't realize where it was supposed to be .....there it's stamped V-36 .....so it's a 64' 361......Feel like a smacked ***....

Now I was going to have it bored anyway so is it worth doing? ......what other options do I have?