Hemi is an engine and it's made by dodge
The engine computer is mounted to the passenger side of the firewall on a 2003 Dodge Ram Hemi.
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A 2004 Hemi uses 5W30, conventional or synthetic.
2003 was the first year of the hemi in the ram truck.
5w20
With some modification, yes
A 2004 Dodge GTX Hemi truck cannot be plum crazy. The truck can be a lemon, which means it breaks downs a lot) but there are no factory recalls on this model.
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inside transmission
under drivers seat on frame of truck
The engine computer is the regulator.