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Learn why 2-piece and 3-piece rod ends perform differently—and which Heim joint construction works best for race car suspension and steering systems.

Learn how to choose the right oil for your Legend Car’s Yamaha FZ09 engine. This guide covers Yamaha’s 10W-40 recommendation, the pros and cons of 5W-30, oil change intervals, oil filter selection, and why we typically recommend zMAX 10W-40. Whether you’re focused on reliability, performance, or preventative maintenance, this article provides practical insights based on real-world racing experience and conversations throughout the Legend Car community.

Boiling point only matters relative to how hot your fluid actually gets. A Legend Car's fluid runs in a band that sits well below the wet boiling point of any real racing DOT 4 — so a quality DOT 4 (Motul RBF 600, Wilwood EXP 600 Plus, Goodridge, VP Racing) is more than enough, and the $80 fluids are solving a problem you don't have.

Brake feel in a Legend Car is the result of hydraulic pressure, line compliance, piston area, and pad friction working together as a system. This article explains why many pavement racers run -03 front brake lines for a firmer, more responsive pedal and -04 rear lines for smoother rear brake application. It also explores how split pad compounds can create braking-induced rotation by increasing left-front braking torque, helping the car turn into the corner while maintaining r