Different camshafts for sure, and most likely programming as well. You
can get the cams for a pretty good price and the install isn't grueling.
GREGG SPURGEON wrote:
> So what is different with the Jeep HO 4.7 to make it 30 hp more than the 4.7
> in the Dodge's?
>
> Thanks,
> Gregg
> P.S. Sorry if this has been covered before.
>
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