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They are under the coils in the top of the valve covers.
yea you should change it
Variable valve timing.
The 5.7 Liter Hemi had 345 Horsepower in 2007 & 2008 - went up to 390 horsepower in 2009
16
There is no egr valve on that vehicle.
The stock 5.7 liter Hemi in a Ram Pickup is 348 Cu inches and 345 HP.
Where is the iac valve located on 2004 dodge 5.7hemi
Bottom of the oil pan.
345
The original hemi engine from the 50's and 60's were called "hemi's" because the combustion chamber was in the shape of a half circle. Current Hemi engines are not true hemi because to combustion chamber shape is modified to meet emissions, but it still has the opposing valve layout.