Beyond Balancing: Why Harmonics Can Destroy Your Engine | Randy Neal (CWT)
In this masterclass from the Engine Performance Expo, Randy Neal, president of CWT Industries, reveals the hidden enemy of horsepower and durability: harmonics.
Engine Surface Finish Explained: Why Waviness Matters More Than a Shiny Surface
Surface finish is more than a number. Metrology expert Mark Malburg explains why a surface's true shape is the key to sealing and peak performance.
Performance Engine Secrets: Piston Rings, Honing, and Oil Explained
Learn how piston rings, honing, oil & pistons work together to boost horsepower. Insights from Total Seal & Rottler at Engine Performance Expo 2025.
Advanced Induction System Tuning with Darin Morgan – Part 2
Legendary engine builder Darin Morgan reveals the science of high-efficiency ports, airflow secrets, and why old porting methods no longer make power.
Advanced Induction Systems with Darin Morgan – Part 1
BES Racing’s Darin Morgan delivers a masterclass in Advanced Induction System Design. In Part 1, Darin shares the hard-earned lessons from decades in manifold development—why purpose dictates design and why yesterday’s manifolds can’t keep up with today’s engines.
EPExpo 2025 Live – Teaser Video
Expo 2025 was July 16-18, 2025. We're still working on the full videos from the presentations. Here's a short teaser for you to enjoy in the meantime!
Engine Performance Expo Live! 2025
The Engine Performance Expo returns in 2025 as an in-person event live from Rottler Mfg HQ in Kent, Washington July 16-18, 2025! Space is limited, register now!
Expo 2024 – Episode 41: Closing Roundtable
Hosts Joe and Lake are joined by Randy Neal, Chris Straub, and Joe “Dominator” Woods for a discussion on the next generation of performance engine builders
Expo 2024 – Episode 40: Product Spotlight – Racing Valves
This one's for those of you in the shop. Jesse & Alan from Engine Pro return to the studio for a quick product spotlight on Engine Pro’s line of racing valves.
Expo 2024 – Episode 39: How Much Power Can You Gain w/o Changing the Camshaft or Cylinder Heads?
How much power can you gain without changing camshafts or cylinder heads? Lake Speed Jr answers that with a 20-year-old Ford C3 engine from his dad’s garage.