Uploaded February 2026 | Updated September 2026, 2 weeks ago
In the early days of internal combustion engines, pistons were typically made of steel (cast-iron, really), but it wasn't long before aluminum took over (thanks, W.O. Bentley). But steel pistons and even cylinder heads are coming back in special applications. Kevin and Mark dive in to 3D printed steel pistons, turbo housings, and steel cylinder heads in F1 and other racing. The guys take a deep dive into boost, piston temperature, lean burn, diesel, additive manufacturing and so much more.
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In the early days of internal combustion engines, pistons were typically made of steel (cast-iron, really), but it wasn't long before aluminum took over (thanks, W.O. Bentley). But steel pistons and even cylinder heads are coming back in special applications. Kevin and Mark dive in to 3D printed steel pistons, turbo housings, and steel cylinder heads in F1 and other racing. The guys take a deep dive into boost, piston temperature, lean burn, diesel, additive manufacturing and so much more.
Looking to buy? Get prequalified
octane.co/flex/1?a=171
Become a Channel Partner: octanemedia.co/home/become-an-advertiser
Subscribe to Cycle World Youtube: youtube.com/c/cycleworld?sub_confirmation=1
Listen on Spotify: open.spotify.com/show/6CLI74xvMBFLDOC1tQaCOQ
Read more from Cycle World: cycleworld.com
Buy Cycle World Merch: teespring.com/stores/cycleworld
