Quote Originally Posted by Geezer2 View Post
A 400 with a 383 crank is (are you ready?) a stock 400!!!!

With a 350 block a 400 crank makes a 383, with a 030 0verbore, SO..... you need a piston made for that combo and MOST are for use with the 350 rod.
May I also add: Be carful with block clearances when using OEM blocks and rods.........Just wanted to throw that out there.