Under the Chassis

Tire Pressure Math — Why 18 PSI Is the Wrong Answer for Half the Terrain You Actually Drive

Someone told you 18 PSI was the magic number for off-road tire pressure. They were wrong. Tire pressure isn't a single number — it's a variable that depends on terrain, speed, load, and tire...

Under the Chassis

How I Pick a Lift Kit — Spring Rate, Shock Valving, and Why Two More Inches Is Usually the Wrong Answer

Two more inches of lift sounds great. Most of the time, it's the wrong answer. 12 years in off-road shops have taught me that a proper lift isn't about height — it's about spring rate, shock...

Under the Chassis