727 questions

You can do burnouts in a stone stock 727, you simply need to know HOW. Very simple. Make it spin COMPLETELY THROUGH the 2nd gear shift and it will be fine. If you allow it to hook up ON the 1-2 shift, that's when you might have trouble. You will VERY likely never have issues at the power level you are talking about from reading your other threads.
Truck will be getting newer style Magnum heads and a cam along with headers and the intake swap and carb toward the end of August. I have a guy who is gonna help me and he is doing the heads now. So I’m thinking 350-375 hp depending on cam etc…. He will figure more out for me as we get closer to August. He is knowledgeable at building small blocks