I searched long and far on the forum for a solution to this but couldn't find it. I can squat 400x5 and bench 220x5 but my deadlift, in comparison, sucks. Less than 275 on bad days. Has anyone else experienced this? Is it just a lack of core strength? I see guys who are flip (squatting 275 but deadlifting 400)

I'm just wondering if this is normal...