Yup, they got really good heads. Also, the later 5.7 Eagle heads flow AWESOME!
I’ll be honest, this isn’t going to be cheap, doing this swap is gonna cost, you can save some here/there, but I’d be willing to bet 5k at the minimum.
My original plan was to build a 451 stroker out of an early 400 block. 6 of one, half a dozen of the other at this point. Car has not engine right now.