I’ve driven both. The HO Aisen version was faster, but also had a 4.10 rear. I bought the HO, and my first pull was 15k. I didn’t even know I was pulling anything. It shifted much smoother with a load as well. The Aisen HO combination is definitely tuned for hauling. A little bit of an aggressive shift empty, but I don’t do empty. It’s still the most comfortable ram I’ve owned, and it’s my third. I’m in love with my HO! The “only” issue I have is pedal lag, especially when coming off the throttle, then jumping back on through a yellow light! It can take almost 3-4 seconds which is ridiculous. I’ll definitely be getting some kind of a tune to fix that.