As long as the engine is well cared for (oil and filter changes, spark plugs as needed) it should be A-OK. BUT... let the oil changes be ignored... and the return passages gradually become clogged and restrictive... welcoming progressive oil starvation and proper flow throughout the engine. This "family" of engines shares this potential problem more-so than certain other engines.
This is the 2.7 you are thinking of, they get water in the oil that makes massive amounts of sludge that plug the return passages, I have torn apart tons of 4.7s and the worst sluged ones did not have enough to plug an oil return passage.
