Upgrading Your RV Camshaft 454 for Better Torque

If you've ever struggled to pull a heavy trailer up a steep grade, swapping in a better rv camshaft 454 might be exactly what your old Chevy big block needs to wake up. Most people think about horsepower when they want more speed, but in a heavy motorhome or a tow rig, torque is the only thing that actually matters. The stock cams GM put in those 7.4L engines back in the day were okay, I guess, but they were often designed for emissions and fuel economy standards that didn't necessarily favor a 10,000-pound vehicle trying to climb a mountain. ...

May 12, 2026 · 7 min · Filomeno Hildita