That would require using the engine, trans, cooling system, computers, and wiring all from the 2007. The 5.2 and 5.7 are definitely not a direct swap.
Buy a hemi motor and it will go right in there
how to install a ac housing on a 2007 dodge ram 1500 , mega cab hemi
2003 was the first year of the hemi in the ram truck.
5w205w20
The 5.9L is not a Hemi and is not interchangeable with the 5.7LThe 5.9L is not a Hemi and is not interchangeable with the 5.7L
inside transmission
The 5.7 Liter Hemi had 345 Horsepower in 2007 & 2008 - went up to 390 horsepower in 2009
5w20
77
the fuse for the 07 ram 1500 5.7 hemi is the same as the 06, #31
9100 LBS
Dodge reports its Hemi to produce 345 Horses.