5.7 Hemi "issues"?

my 05 hemi was tickin when i bought it with 23k onthe clock has 88k on it now 4 yrs later and i hauled a lot including towing my 79 pw 3/4 ton 4x4 with no problems other than rust on rear quarter pass side ticked me off found it 4 days after rust warranty ran out dodge basicaly said oh well your problem now.