360 build for dart swinger

Thanks for all the ideas the heads I have are casting number 2843675-3
Just looking on Google they are 318 heads 178 int and 150 ex and I believe 60cc the pistons are dished and below deck about 160 thou. I realize the machine shop rates have went up I use them a lot in my business. Just didn't want to go over board. Would like a happy medium waited 25 years to buy the car. So I have time to pick away at it and get what I want. The block casting number is 4006830-360-10 and the date is 4/12/77