Engine Performance Expo

Unique technical information for high performance engine machinists, builders, and enthusiasts through training, education, community, and supplier relations

[Engine Performance Expo @EnginePerfExpo]

Just 4 lbs of oil ring tension difference turned a perfect cylinder into a horror show. Same roughness average, same ring package. Jake Raby explains why every single ingredient in your "Ring Seal Soup" matters.

Watch the full EP Expo episode: https://t.co/6hGz3bJayU 🛠️🏁

[Engine Performance Expo @EnginePerfExpo]

Big power = big heat = bigger ring end gaps. 🔥

If your piston rings butt together from thermal expansion, it’s game over for your cylinder walls. Lake Speed Jr. explains why matching your gap to your application is critical.

Watch the full episode now: https://t.co/TNsd7gifRR

[Engine Performance Expo @EnginePerfExpo]

Ever had a die grinder try to take a bite out of you? 🛠️ Darin Morgan and Tony Bischoff of BES Racing Engines explain why "three legs of support" and proper bracing are everything when porting heads.

Watch the full Seat & Guide episode here: https://t.co/zKcZJCmMQ7

[Engine Performance Expo @EnginePerfExpo]

"She signed it 'Future NHRA Pro Stock Champion' before she even had a license." ✍️🔥

George Bryce tells the unbelievable story of how Angelle Sampey went from a "mouse" in his drag racing school to a Winston series superstar.

Watch the full story: https://t.co/ONZJeFybZv

[Engine Performance Expo @EnginePerfExpo]

A dial bore gauge is great, but is it giving you the "True Round" truth? 📏

Ed Kiebler joins @LakeSpeedJr to explain the difference between standard measurement and true roundness checkers like the PAT gauge.

Master your bore geometry here: https://t.co/DJaTWxj9ZZ

[Engine Performance Expo @EnginePerfExpo]

"If that unit separates, it’s going to cause such chaos and damage." 🛠️

Randy Neal explains why welding balance slugs is a shortcut to a ruined engine. Get the facts on proper press fit vs. dangerous "quick fixes."

Watch the full deep dive here: https://t.co/6pJL58DQdO

[Engine Performance Expo @EnginePerfExpo]

Who says engine building tools have to be fancy? 🛠️ Billy Fisher shares his "old school" secret for measuring ports using modified protractors.

"The truth is there. It’s either going to be the same, or it’s not."

Full episode on porting secrets here: https://t.co/4DoDfj9oVQ

[Engine Performance Expo @EnginePerfExpo]

"It’s the smell, the sound, the sensation... you go electric, you can’t even hear it." 🚫⚡️

Tony Bischoff talks the "soul" of combustion engines vs. the "weirdness" of EVs. Is the future of racing silent? Tony isn't so sure.

Full interview: https://t.co/10CRzGpzoU

#DragRacing

[Engine Performance Expo @EnginePerfExpo]

Is lead additive a "cheat code" for vintage restorations? 🏎️ Tony Bischoff, Darin Morgan, and Ed Kiebler discuss why they prefer NOT to install seats in classic iron heads unless it's absolutely necessary.

The science of lubricity & saving vintage iron: https://t.co/zKcZJCmMQ7

[Engine Performance Expo @EnginePerfExpo]

Press fit for production, floating for performance? 🏎️💨

The experts at Roush-Yates Engines explain why clearances, thermal expansion, and "unforeseen" build changes make the floating pin the superior choice for high-end builds.

Watch the full breakdown: https://t.co/t0FABLSpuL

[Engine Performance Expo @EnginePerfExpo]

"Anytime you bend a runner, efficiency drops. Period." 📉

Darin Morgan is dropping a masterclass on Advanced Induction Systems at the Engine Performance Expo. You need to watch this. Then watch it again.

Class is in session: https://t.co/x6IFjdHxye 🏎️💨

[Engine Performance Expo @EnginePerfExpo]

What does a 30-minute break-in actually do to your cylinder bores? 📉

Lake Speed Jr. uses a profilometer to track the "fuzz" on a NASCAR Ford C3 block from the hone to the dyno. See the Rpk data change in real-time.

Watch the full episode: https://t.co/R2SEiGpnvB

#EngineTech

[Engine Performance Expo @EnginePerfExpo]

Imagine your dad is leading at Talladega and the TV broadcast cuts to sumo wrestling. 🤦‍♂️

Jon Kaase and @LakeSpeedJr look back at the "good ol' days" of trying to watch racing before the internet.

Full roundtable with the legends here: https://t.co/rZCkAMm4pf

[Engine Performance Expo @EnginePerfExpo]

Is vibrating your aluminum block a "must" or a "maybe"? 🛠️ Joe Creason and Tim Eichhorn discuss stress-relieving techniques for high-performance LS builds.

Don't miss the full "Art of Sleeving"
📺 Watch now: https://t.co/68uTp3iLn5

#EngineBuilding #Racing #Machining #LSBlock

[Engine Performance Expo @EnginePerfExpo]

The "Pepsi Bottle" Test: How a bottle of oil revealed a hidden engine killer. 🥤⛽️

Keith Jones & Ben Strader discuss why "fat tunes" aren't safe — they're solvents that destroy cylinder walls.

Stop washing your rings! Watch the full episode: https://t.co/mSvPMgJevC

[Engine Performance Expo @EnginePerfExpo]

What’s worse than a 500-inch engine blowing its plenum off? Finding ZERO of your fire extinguishers work as fuel is floating on water across your shop floor. 😬🔥

Jon Kaase shares his "burning down the house" moment at the EP Expo.

Full story here: https://t.co/TTxJHxnC1Y

[Engine Performance Expo @EnginePerfExpo]

Stop honing your lifter bushings? 🛑 John Callies says a fine bore is king for oil control.

Watch the full @EnginePerfExpo tech session with Morel, Rottler, and CNC Blockworks:
Part 1: https://t.co/VnguZcnhmq
Part 2: https://t.co/dEWuNh1840

[Engine Performance Expo @EnginePerfExpo]

"Boundary film is that metal on metal... that’s where the additives in the oil do all the work." 🛢️
@LakeSpeedJr breaks down why the "oil geek" stuff matters for your engine's survival. Full episode feat. experts from Roush-Yates Engines.
Watch: https://t.co/t0FABLSpuL

[Engine Performance Expo @EnginePerfExpo]

Tony Bischoff: "We did a Small Block Chevy... I don't know why we did that one, but it won."

The ultimate "shrug" from the Horsepower King at the Engine Performance Expo. Whether it's Ford, Chevy, or Gen 3 Hemis, Tony just wins. 🏁

Full interview here: https://t.co/10CRzGpzoU

[Engine Performance Expo @EnginePerfExpo]

,317 HP on the dyno is great, but did the rings survive? 💨

Ben Strader (@EFIUniversity) breaks down the art of the Leak Down Test. Don't just look at the gauge—listen to the engine to find the leak.

Check out the full session here: https://t.co/bSmvqiguSr