They’re talking about a specific piston brand/product called “speed of air pistons.” The idea is that these pistons improve how the engine burns fuel, which can translate into better efficiency and performance.
“Speed of air pistons” is a branded piston product being used as part of a diesel build. The hosts claim it’s the only piston that “pays for itself,” and they attribute benefits to improved combustion and overall build outcomes.
Episodes Mentioning "speed of air pistons"
Can I Delete My Truck Now? EPA Pardons Explained by a Lawyer
The Diesel Podcast
Is This The Ultimate Transmission for a Cummins?
The Diesel Podcast
Shelby Just Built an F250 You Can Actually Buy
The Diesel Podcast
Firing the Best Employee (And Getting Better Because of It)
The Diesel Podcast
Are You Running the Wrong Oil in Your 6.7L Powerstroke?
The Diesel Podcast
Diesel Fuel is Expensive. Does This Actually Help?
The Diesel Podcast
Mechanic Shortage is About to Hit Truck Owners Hard
The Diesel Podcast
7.3 and 6.0 Owners - This is the Future of Tuning
The Diesel Podcast