I'm strongly contemplating that intake manifold for $135 but if I was going to pay the $700 for the heads I would definitely pay the 820 and get the manifold as well.. I've wanted one of those to do a magnum swap..
This morning I was contemplating the hundred and $22 cam that I need to buy for this 318 along with timing chain and other things. I could pull one of the 318 out of one of the Durango's for the truck and do the Magnum swap cheaper seemingly then buying a cam and lifters..
I had to scratch that plan as it was not keeping it simple..