Posted 3/1/2021 06:32 (#8865228 - in reply to #8865013) Subject: RE: 7.3 Ford vs 6.4 ram
Have a 6.2 that pulls hard and cracked an exhaust manifold at just over 100,000 mi. Evidently it is a common issue if used to pull often. I would look hard at the 7.3 for heavy pulling but don't have experience with it.