

What It Really Takes to Build a Factory Overlander — with Dave Harriton
Jul 17, 2025
In this engaging discussion, Dave Harriton, founder of AEV, shares his insights on the complexities of creating factory overlanders that meet OEM standards. He emphasizes the challenges of integrating aftermarket modifications without compromising safety and performance. The conversation dives into crucial aspects like wheel testing, tire compatibility, and the risks of altering vehicle safety systems, especially regarding airbags. Dave also highlights exciting overlanding models like the Grenadier and HD Bison, making it a must-listen for vehicle enthusiasts and engineers alike.
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Complex Interactions of Vehicle Mods
- Modifying a vehicle affects many interdependent systems beyond the obvious, such as cooling and driveline components.
- Even small changes, like grille alterations, can impact airflow and cause issues like overheating.
Avoid Race Suspension for Overlanding
- Avoid race-truck level components like heim joints for street or overland vehicles as they cause noise, maintenance, and durability issues.
- Use suspensions designed for street and carrying loads to ensure longevity and comfort.
Test Tire Carriers for Rigidity
- Test swing-out tire carriers by shaking and moving them; any movement indicates likely failure and rattling under real-world off-road vibration.
- Choose carriers with rigid mountings to prevent destructive harmonic vibrations.