79,975 Miles My 4.7 Is Toast
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Joined: Dec 2006
Posts: 313
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RE: 79,975 Miles My 4.7 Is Toast
ORIGINAL: tomski74
The change is in the heads and lighter piston/rod assembly. They squeezed more power by higher compression ratio and 2 plugs per cylinder.
Here's more info: http://www.allpar.com/mopar/47.html
ORIGINAL: kregier
I was hoping for that when they swapped mine out, but apparently they keep older model blocks somewhere for this kind of thing. I wonder what it would cost to do a swap to a new 4.7?
ORIGINAL: superdak05
with any luck they will drop in the newer 4.7 rated at 302 hrspwr instead of the original factory one
with any luck they will drop in the newer 4.7 rated at 302 hrspwr instead of the original factory one
Here's more info: http://www.allpar.com/mopar/47.html
Thanks for the link. Corrected a misconception I had about SOHC and DOHC. It's apparent there'd be some fairly signifcant electrical/computer changes involved as well so it'd be more than just swapping the top half of the engine. And it'd probably be the electronics that cost the most.
