Most definitely, if one had to bet on one vs the other. The 5.3….327CI….has a solid track record.
I’ll also take the mechanics advice over the you tube GM engineers. What would one expect them to say?????
You should probably verify with some gm dealers techs and service managers which is the least worked on half ton motor. While many of the 5.3/6.2’s have been in for a few sets of lifters and the diesels for emissions limp mode issues the 2.7t doesn’t have a single common warranty issue yet in 5 years.
People like to people though...move slow in groups, don’t like change lol.
Lucky for you though you’ve been brought up to speed finally. Choose wisely.
