We Bought 5 Junk Cars With Broken Timing Belts: Bent Valve Damage Inspection Log
We sourced 5 junk vehicles with confirmed timing belt failures over a 4-month period, all with interference engines. Interference engines are the majority of modern vehicle engines: the pistons and valves occupy the same space at different points in the rotation cycle. When the timing belt breaks in an interference engine, the piston and valve […]
Cheap vs Expensive Brake Rotors After 20,000 Miles: Rust Scale and Thickness Loss Test
We installed 4 different brake rotor brands on the front axle of 4 identical 2016 Toyota Corolla SE vehicles at the same time and drove 20,000 miles on the same mixed city and highway route with the same driver. At 20,000 miles, we pulled all 4 sets and measured thickness loss and rust scale coverage. […]