440 or 400???

Both will work fine. We have the low deck 400 in my boys Dart with 2" CPPA chassis headers and they fit good. Had to make a few minor dings but its had them in there since 1997. The stroker is good for sure but you dont have to stroke it to run good. If it were me it would depend on what else I have to go with it to make the setup easy and cheap. As the stock stroke 400 or stroker 400 or 440 will work good in your car. My boys is a stock stroke 400 thats .030 over (406) and it runs mid 11's all day long. And its no race car at all just a true drive anywhere street car. So you can run easy 11's with the stock stroke 400 or shoot for 10's with the bigger setup. If you want the most power go for a good set of headers like TTI that will fit without any cutting. Ron