As stated by Dodge on their website and a test of my own, on my 2007 Dodge Ram 5.7L V8 HEMI, it tops at about 390hp. So in good condition you will be pushing 390hp.
390hp
345 hp
372-376
390 HP
340, 350 with the RT R/T package
425 hp
345 hp
345 hp
It was advertised at 345 HPIt was advertised at 345 HP
It was advertised as having 335 hp.
375 horse with the 440 engine and 425 horse with the 426 hemi.
ATF 4